56813927 has 2 divisors, whose sum is σ = 56813928. Its totient is φ = 56813926.

The previous prime is 56813921. The next prime is 56813993. The reversal of 56813927 is 72931865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56813927 - 2⁸ = 56813671 is a prime.

It is a super-2 number, since 2×56813927² = 6455644602322658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56813921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28406963 + 28406964.

It is an arithmetic number, because the mean of its divisors is an integer number (28406964).

Almost surely, 2^56813927 is an apocalyptic number.

56813927 is a deficient number, since it is larger than the sum of its proper divisors (1).

56813927 is an equidigital number, since it uses as much as digits as its factorization.

56813927 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 41.

The square root of 56813927 is about 7537.5013764510. The cubic root of 56813927 is about 384.4308834253.

The spelling of 56813927 in words is "fifty-six million, eight hundred thirteen thousand, nine hundred twenty-seven".