56550156 has 48 divisors (see below), whose sum is σ = 149587200. Its totient is φ = 16483392.

The previous prime is 56550149. The next prime is 56550163. The reversal of 56550156 is 65105565.

It is an interprime number because it is at equal distance from previous prime (56550149) and next prime (56550163).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6576 + ... + 12503.

It is an arithmetic number, because the mean of its divisors is an integer number (3116400).

Almost surely, 2^56550156 is an apocalyptic number.

It is an amenable number.

56550156 is an abundant number, since it is smaller than the sum of its proper divisors (93037044).

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

56550156 is a wasteful number, since it uses less digits than its factorization.

56550156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19118 (or 19116 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 56550156 is about 7519.9837765782. The cubic root of 56550156 is about 383.8350257050.

It can be divided in two parts, 565 and 50156, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 56550156 in words is "fifty-six million, five hundred fifty thousand, one hundred fifty-six".