Fait général: 58540 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 58540 is an unremarkable number.
Culture générale: 58540 is an unremarkable number.
Date historique: April 10th is the day in 1866 that the American Society for the Prevention of Cruelty to Animals (ASPCA) is founded in New York City by Henry Bergh.