56431536 has 60 divisors (see below), whose sum is σ = 169589592. Its totient is φ = 16122624.

The previous prime is 56431513. The next prime is 56431541. The reversal of 56431536 is 63513465.

56431536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 56431497 and 56431506.

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, 9645 + ... + 14348.

Almost surely, 2^56431536 is an apocalyptic number.

56431536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56431536 is an abundant number, since it is smaller than the sum of its proper divisors (113158056).

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

56431536 is a wasteful number, since it uses less digits than its factorization.

56431536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24018 (or 24005 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 56431536 is about 7512.0926511858. The cubic root of 56431536 is about 383.5664594966.

The spelling of 56431536 in words is "fifty-six million, four hundred thirty-one thousand, five hundred thirty-six".