56715431 has 2 divisors, whose sum is σ = 56715432. Its totient is φ = 56715430.

The previous prime is 56715427. The next prime is 56715467. The reversal of 56715431 is 13451765.

56715431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56715431 - 2² = 56715427 is a prime.

It is a super-2 number, since 2×56715431² = 6433280227031522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56715481) 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 as a sum of consecutive naturals, namely, 28357715 + 28357716.

It is an arithmetic number, because the mean of its divisors is an integer number (28357716).

Almost surely, 2^56715431 is an apocalyptic number.

56715431 is a deficient number, since it is larger than the sum of its proper divisors (1).

56715431 is an equidigital number, since it uses as much as digits as its factorization.

56715431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 56715431 is about 7530.9648120277. The cubic root of 56715431 is about 384.2085975117.

The spelling of 56715431 in words is "fifty-six million, seven hundred fifteen thousand, four hundred thirty-one".