56997736793 has 2 divisors, whose sum is σ = 56997736794. Its totient is φ = 56997736792.

The previous prime is 56997736721. The next prime is 56997736819. The reversal of 56997736793 is 39763779965.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53985593104 + 3012143689 = 232348^2 + 54883^2 .

It is a cyclic number.

It is not a de Polignac number, because 56997736793 - 2²⁴ = 56980959577 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (56997730793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28498868396 + 28498868397.

It is an arithmetic number, because the mean of its divisors is an integer number (28498868397).

Almost surely, 2^56997736793 is an apocalyptic number.

It is an amenable number.

56997736793 is a deficient number, since it is larger than the sum of its proper divisors (1).

56997736793 is an equidigital number, since it uses as much as digits as its factorization.

56997736793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 405076140, while the sum is 71.

The spelling of 56997736793 in words is "fifty-six billion, nine hundred ninety-seven million, seven hundred thirty-six thousand, seven hundred ninety-three".