56165677 has 2 divisors, whose sum is σ = 56165678. Its totient is φ = 56165676.

The previous prime is 56165657. The next prime is 56165713. The reversal of 56165677 is 77656165.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41809156 + 14356521 = 6466^2 + 3789^2 .

It is a cyclic number.

It is not a de Polignac number, because 56165677 - 2¹¹ = 56163629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56165647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28082838 + 28082839.

It is an arithmetic number, because the mean of its divisors is an integer number (28082839).

Almost surely, 2^56165677 is an apocalyptic number.

It is an amenable number.

56165677 is a deficient number, since it is larger than the sum of its proper divisors (1).

56165677 is an equidigital number, since it uses as much as digits as its factorization.

56165677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 43.

The square root of 56165677 is about 7494.3763583103. The cubic root of 56165677 is about 382.9631611567.

The spelling of 56165677 in words is "fifty-six million, one hundred sixty-five thousand, six hundred seventy-seven".