Fait général: 52457 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 52457 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 52457 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Date historique: August 15th is the day in 1962 that James Joseph Dresnok defects to the Democratic People's Republic of Korea after running across the Korean DMZ.