56432040 has 64 divisors (see below), whose sum is σ = 193484160. Its totient is φ = 12898560.

The previous prime is 56432021. The next prime is 56432053. The reversal of 56432040 is 4023465.

56432040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 56432040.

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, 32751 + ... + 34430.

It is an arithmetic number, because the mean of its divisors is an integer number (3023190).

Almost surely, 2^56432040 is an apocalyptic number.

It is an amenable number.

56432040 is an abundant number, since it is smaller than the sum of its proper divisors (137052120).

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

56432040 is a wasteful number, since it uses less digits than its factorization.

56432040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67202 (or 67198 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 56432040 is about 7512.1261970231. The cubic root of 56432040 is about 383.5676013931.

The spelling of 56432040 in words is "fifty-six million, four hundred thirty-two thousand, forty".