||This article may contain excessive, poor, or irrelevant examples. (March 2010)
58 (fifty-eight) is the natural number following 57 and preceding 59.
In mathematics 
Fifty-eight has an aliquot sum of 32 and is the second composite member of the 31-aliquot tree.
Fifty-eight is the sum of the first seven prime numbers, an 11-gonal number, and a Smith number. Given 58, the Mertens function returns 0.
There is no solution to the equation x - φ(x) = 58, making 58 a noncototient. However, the sum of the totient function for the first thirteen integers is 58.
In science 
- The Saros number of the solar eclipse series which began on 1114 BC BC June and ended on 166 July. The duration of Saros series 58 was 1280.1 years, and it contained 72 solar eclipses.
- The Saros number of the lunar eclipse series which began on 812 BC BC March and ended on 486 May. The duration of Saros series 58 was 1298.1 years, and it contained 73 lunar eclipses.
In music 
- John Cage CD "Fifty-Eight"
- Fifty-Eight Now Nine, a collection of songs by Esther Lee
In sports 
In the NBA, the most points ever scored in a fourth quarter was 58 by the Buffalo Braves (at Boston Celtics), Oct. 20, 1972. The Most points in a game by a rookie player: Wilt Chamberlain, 58: Philadelphia vs. Detroit, Jan. 25, 1960, and Philadelphia. vs. New York Knicks, Feb. 21, 1960
In MotoGP, 58 was the number of Marco Simoncelli who died in a fatal accident at the Malaysian Round of the 2011 MotoGP season. MotoGP's governing body, the FIM, are considering to retire number 58 from use in MotoGP as they did before with the numbers 74 and 48 of Daijiro Kato and Shoya Tomizawa respectively.
In mythology 
The number 58 was commonly associated with misfortune in many civilizations native to either Central America or Southern America. Due to their beliefs in the original 58 sins, the number came to symbolize curses and ill-luck. Aztec oracles supposedly stumbled across the number an unnaturally high number of times before disaster fell. One famous recording of this, though largely discredited as mere folktale, concerned the oracle of Moctezuma II, who allegedly counted 58 pieces of gold scattered before a sacrificial pit the day prior to the arrival of Hernan Cortés.
In other fields