Adding to 5542 its reverse (2455), we get a palindrome (7997).
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a nialpdrome in base 10.
It is a congruent number.
It is an unprimeable number.
5542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
25542 is an apocalyptic number.
5542 is a wasteful number, since it uses less digits than its factorization.
5542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 182.
The square root of 5542 is about 74.4446102817. Note that the first 3 decimals coincide. The cubic root of 5542 is about 17.6965594939.
The spelling of 5542 in words is "five thousand, five hundred forty-two".