56933431 has 2 divisors, whose sum is σ = 56933432. Its totient is φ = 56933430.

The previous prime is 56933423. The next prime is 56933447. The reversal of 56933431 is 13433965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56933431 - 2³ = 56933423 is a prime.

It is a super-2 number, since 2×56933431² = 6482831130863522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56933411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28466715 + 28466716.

It is an arithmetic number, because the mean of its divisors is an integer number (28466716).

Almost surely, 2^56933431 is an apocalyptic number.

56933431 is a deficient number, since it is larger than the sum of its proper divisors (1).

56933431 is an equidigital number, since it uses as much as digits as its factorization.

56933431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 34.

The square root of 56933431 is about 7545.4245076072. The cubic root of 56933431 is about 384.7002355430.

The spelling of 56933431 in words is "fifty-six million, nine hundred thirty-three thousand, four hundred thirty-one".