Fait général: 52520 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 52520 is a boring number.
Culture générale: 52520 is a boring number.
Date historique: October 17th is the day in 1956 that the first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield,in Cumbria, England.