56989695672 has 96 divisors (see below), whose sum is σ = 189965674080. Its totient is φ = 15030247680.

The previous prime is 56989695661. The next prime is 56989695677. The reversal of 56989695672 is 27659698965.

56989695672 is a `hidden beast` number, since 56 + 9 + 8 + 9 + 6 + 9 + 567 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 56989695672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56989695677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4342479 + ... + 4355582.

It is an arithmetic number, because the mean of its divisors is an integer number (1978809105).

Almost surely, 2^56989695672 is an apocalyptic number.

56989695672 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56989695672 is an abundant number, since it is smaller than the sum of its proper divisors (132975978408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56989695672 is a wasteful number, since it uses less digits than its factorization.

56989695672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8698093 (or 8698086 counting only the distinct ones).

The product of its digits is 440899200, while the sum is 72.

The spelling of 56989695672 in words is "fifty-six billion, nine hundred eighty-nine million, six hundred ninety-five thousand, six hundred seventy-two".