56161144 has 32 divisors (see below), whose sum is σ = 116177040. Its totient is φ = 25286400.

The previous prime is 56161123. The next prime is 56161199. The reversal of 56161144 is 44116165.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

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, 2322 + ... + 10849.

Almost surely, 2^56161144 is an apocalyptic number.

It is an amenable number.

56161144 is an abundant number, since it is smaller than the sum of its proper divisors (60015896).

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

56161144 is a wasteful number, since it uses less digits than its factorization.

56161144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13231 (or 13227 counting only the distinct ones).

The product of its digits is 2880, while the sum is 28.

The square root of 56161144 is about 7494.0739254427. The cubic root of 56161144 is about 382.9528581935.

The spelling of 56161144 in words is "fifty-six million, one hundred sixty-one thousand, one hundred forty-four".