56331144 has 48 divisors (see below), whose sum is σ = 153179520. Its totient is φ = 18701280.

The previous prime is 56331133. The next prime is 56331151. The reversal of 56331144 is 44113365.

56331144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 18069 + ... + 20955.

It is an arithmetic number, because the mean of its divisors is an integer number (3191240).

Almost surely, 2^56331144 is an apocalyptic number.

It is an amenable number.

56331144 is an abundant number, since it is smaller than the sum of its proper divisors (96848376).

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

56331144 is a wasteful number, since it uses less digits than its factorization.

56331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170 (or 3163 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 56331144 is about 7505.4076504877. The cubic root of 56331144 is about 383.3388688972.

The spelling of 56331144 in words is "fifty-six million, three hundred thirty-one thousand, one hundred forty-four".