general_fact: 5617 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 5617 is a divisor of the sum of the 4^{th} powers of its divisors.
trivia: 5617 is an uninteresting number.
historical_date: May 18th is the day in 1993 that EU - riots in Nørrebro, Copenhagen caused by the approval of the four Danish exceptions in the Maastricht Treaty referendum.