Fait général: 5698 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 5698 is the smallest number whose 8^{th} power starts with 5 identical digits.
Culture générale: 5698 is a boring number.
Date historique: August 7th is the day in 1947 that the Bombay Municipal Corporation formally takes over the Bombay Electric Supply and Transport (BEST).