56577287167 has 2 divisors, whose sum is σ = 56577287168. Its totient is φ = 56577287166.

The previous prime is 56577287159. The next prime is 56577287201. The reversal of 56577287167 is 76178277565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56577287167 - 2³ = 56577287159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56577287267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28288643583 + 28288643584.

It is an arithmetic number, because the mean of its divisors is an integer number (28288643584).

Almost surely, 2^56577287167 is an apocalyptic number.

56577287167 is a deficient number, since it is larger than the sum of its proper divisors (1).

56577287167 is an equidigital number, since it uses as much as digits as its factorization.

56577287167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34574400, while the sum is 61.

The spelling of 56577287167 in words is "fifty-six billion, five hundred seventy-seven million, two hundred eighty-seven thousand, one hundred sixty-seven".