58 is the natural number following 57 and preceding 59.
In mathematics
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 answer to the equation x - φ(x) = 58, making 58 a noncototient.
In science
In astronomy,
- Messier object M58, a magnitude 11.0 galaxy in the constellation Virgo
- The New General Catalogue object NGC 58 , a barred spiral galaxy in the constellation Cetus. It is also the object designated as NGC 47
- The Saros number of the solar eclipse series which began on -1114 June 7 and ended on 166 July 14. 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 March 16 and ended on 486 May 4. The duration of Saros series 58 was 1298.1 years, and it contained 73 lunar eclipses.
In other fields
Fifty-eight is also:
- The code for international direct dial phone calls to Venezuela.
- Part of the title of a collection of songs by Esther Lee, Fifty-Eight Now Nine.
- The year AD 58, 58 BC, or 1958.
