56716551189 has 64 divisors (see below), whose sum is σ = 89738772480. Its totient is φ = 35279435520.

The previous prime is 56716551173. The next prime is 56716551211. The reversal of 56716551189 is 98115561765.

56716551189 is a `hidden beast` number, since 5 + 6 + 7 + 1 + 6 + 551 + 1 + 89 = 666.

It is not a de Polignac number, because 56716551189 - 2⁴ = 56716551173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56716551109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38555724 + ... + 38557194.

It is an arithmetic number, because the mean of its divisors is an integer number (1402168320).

Almost surely, 2^56716551189 is an apocalyptic number.

It is an amenable number.

56716551189 is a deficient number, since it is larger than the sum of its proper divisors (33022221291).

56716551189 is a wasteful number, since it uses less digits than its factorization.

56716551189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167 (or 2161 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 54.

The spelling of 56716551189 in words is "fifty-six billion, seven hundred sixteen million, five hundred fifty-one thousand, one hundred eighty-nine".