55107156 has 48 divisors (see below), whose sum is σ = 140768768. Its totient is φ = 16675200.

The previous prime is 55107139. The next prime is 55107167. The reversal of 55107156 is 65170155.

55107156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6621 + ... + 12411.

Almost surely, 2^55107156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55107156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70384384).

55107156 is an abundant number, since it is smaller than the sum of its proper divisors (85661612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55107156 is a wasteful number, since it uses less digits than its factorization.

55107156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5872 (or 5870 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 55107156 is about 7423.4194277301. The cubic root of 55107156 is about 380.5420611132.

The spelling of 55107156 in words is "fifty-five million, one hundred seven thousand, one hundred fifty-six".