56718793 has 2 divisors, whose sum is σ = 56718794. Its totient is φ = 56718792.

The previous prime is 56718791. The next prime is 56718821. The reversal of 56718793 is 39781765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 4112784 = 7253^2 + 2028^2 .

It is a cyclic number.

It is not a de Polignac number, because 56718793 - 2¹ = 56718791 is a prime.

Together with 56718791, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56718791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28359396 + 28359397.

It is an arithmetic number, because the mean of its divisors is an integer number (28359397).

Almost surely, 2^56718793 is an apocalyptic number.

It is an amenable number.

56718793 is a deficient number, since it is larger than the sum of its proper divisors (1).

56718793 is an equidigital number, since it uses as much as digits as its factorization.

56718793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 46.

The square root of 56718793 is about 7531.1880204919. The cubic root of 56718793 is about 384.2161891186.

The spelling of 56718793 in words is "fifty-six million, seven hundred eighteen thousand, seven hundred ninety-three".