56807564695597 has 2 divisors, whose sum is σ = 56807564695598. Its totient is φ = 56807564695596.

The previous prime is 56807564695547. The next prime is 56807564695663. The reversal of 56807564695597 is 79559646570865.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52926483453481 + 3881081242116 = 7275059^2 + 1970046^2 .

It is a cyclic number.

It is not a de Polignac number, because 56807564695597 - 2³⁵ = 56773204957229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56807564695597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56807564695547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28403782347798 + 28403782347799.

It is an arithmetic number, because the mean of its divisors is an integer number (28403782347799).

Almost surely, 2^{56807564695597} is an apocalyptic number.

It is an amenable number.

56807564695597 is a deficient number, since it is larger than the sum of its proper divisors (1).

56807564695597 is an equidigital number, since it uses as much as digits as its factorization.

56807564695597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17146080000, while the sum is 82.

The spelling of 56807564695597 in words is "fifty-six trillion, eight hundred seven billion, five hundred sixty-four million, six hundred ninety-five thousand, five hundred ninety-seven".