General fact: 582 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Mathematical fact: 582 is the number of antisymmetric relations on a 5 element set.
Trivia: 582 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: August 4th is the day in 1936 that Prime Minister of Greece Ioannis Metaxas suspends parliament and the Constitution and establishes the 4th of August Regime.