56556534167 has 48 divisors (see below), whose sum is σ = 73505594880. Its totient is φ = 43118611200.

The previous prime is 56556534143. The next prime is 56556534169. The reversal of 56556534167 is 76143565565.

It is not a de Polignac number, because 56556534167 - 2¹⁸ = 56556272023 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56556534169) 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 in 47 ways as a sum of consecutive naturals, for example, 6817292 + ... + 6825582.

It is an arithmetic number, because the mean of its divisors is an integer number (1531366560).

Almost surely, 2^56556534167 is an apocalyptic number.

56556534167 is a deficient number, since it is larger than the sum of its proper divisors (16949060713).

56556534167 is a wasteful number, since it uses less digits than its factorization.

56556534167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8772 (or 8765 counting only the distinct ones).

The product of its digits is 11340000, while the sum is 53.

The spelling of 56556534167 in words is "fifty-six billion, five hundred fifty-six million, five hundred thirty-four thousand, one hundred sixty-seven".