55112156 has 24 divisors (see below), whose sum is σ = 107203824. Its totient is φ = 24577280.

The previous prime is 55112149. The next prime is 55112191. The reversal of 55112156 is 65121155.

55112156 = 319² + 320² + ... + 582².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9485 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (4466826).

Almost surely, 2^55112156 is an apocalyptic number.

It is an amenable number.

55112156 is a deficient number, since it is larger than the sum of its proper divisors (52091668).

55112156 is a wasteful number, since it uses less digits than its factorization.

55112156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23701 (or 23699 counting only the distinct ones).

The product of its digits is 1500, while the sum is 26.

The square root of 55112156 is about 7423.7561921173. The cubic root of 55112156 is about 380.5535699196.

It can be divided in two parts, 5511 and 2156, that added together give a palindrome (7667).

The spelling of 55112156 in words is "fifty-five million, one hundred twelve thousand, one hundred fifty-six".