58 (number)

Template:Infobox number 58 (fifty-eight) is the natural number following 57 and preceding 59.

In mathematics

58 is a composite number, a semiprime,<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> and a square-free integer.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>