56043972 has 36 divisors (see below), whose sum is σ = 142396800. Its totient is φ = 18585072.

The previous prime is 56043971. The next prime is 56043983. The reversal of 56043972 is 27934065.

56043972 is a `hidden beast` number, since 560 + 4 + 3 + 97 + 2 = 666.

56043972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56043971) by changing a digit.

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, 3253 + ... + 11075.

Almost surely, 2^56043972 is an apocalyptic number.

It is an amenable number.

56043972 is an abundant number, since it is smaller than the sum of its proper divisors (86352828).

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

56043972 is a wasteful number, since it uses less digits than its factorization.

56043972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032 (or 8027 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 56043972 is about 7486.2521998661. The cubic root of 56043972 is about 382.6863477490.

The spelling of 56043972 in words is "fifty-six million, forty-three thousand, nine hundred seventy-two".