general_fact: 5542 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
math_fact: 5542 is the number of anisohedral 19-ominoes.
trivia: 5542 is a boring number.
historical_date: March 4th is the day in 1917 that Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.