56976231 has 32 divisors (see below), whose sum is σ = 91203840. Its totient is φ = 31256064.

The previous prime is 56976211. The next prime is 56976343. The reversal of 56976231 is 13267965.

It is not a de Polignac number, because 56976231 - 2⁶ = 56976167 is a prime.

It is a super-2 number, since 2×56976231² = 6492581797930722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 56976231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56976211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10336 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (2850120).

Almost surely, 2^56976231 is an apocalyptic number.

56976231 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56976231 is a deficient number, since it is larger than the sum of its proper divisors (34227609).

56976231 is a wasteful number, since it uses less digits than its factorization.

56976231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575.

The product of its digits is 68040, while the sum is 39.

The square root of 56976231 is about 7548.2601306526. The cubic root of 56976231 is about 384.7966115245.

The spelling of 56976231 in words is "fifty-six million, nine hundred seventy-six thousand, two hundred thirty-one".