55156 has 6 divisors (see below), whose sum is σ = 96530. Its totient is φ = 27576.

The previous prime is 55147. The next prime is 55163. The reversal of 55156 is 65155.

It can be written as a sum of positive squares in only one way, i.e., 54756 + 400 = 234^2 + 20^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6891 + ... + 6898.

2⁵⁵¹⁵⁶ is an apocalyptic number.

It is an amenable number.

55156 is a deficient number, since it is larger than the sum of its proper divisors (41374).

55156 is a wasteful number, since it uses less digits than its factorization.

55156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13793 (or 13791 counting only the distinct ones).

The product of its digits is 750, while the sum is 22.

The square root of 55156 is about 234.8531456038. The cubic root of 55156 is about 38.0654458540.

Subtracting 55156 from its reverse (65155), we obtain a palindrome (9999).

The spelling of 55156 in words is "fifty-five thousand, one hundred fifty-six".