56997334572 has 24 divisors (see below), whose sum is σ = 136237532592. Its totient is φ = 18535718400.

The previous prime is 56997334553. The next prime is 56997334573. The reversal of 56997334572 is 27543379965.

It is a super-2 number, since 2×56997334572² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56997334573) 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 7 ways as a sum of consecutive naturals, for example, 57923629 + ... + 57924612.

It is an arithmetic number, because the mean of its divisors is an integer number (5676563858).

Almost surely, 2^56997334572 is an apocalyptic number.

It is an amenable number.

56997334572 is an abundant number, since it is smaller than the sum of its proper divisors (79240198020).

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

56997334572 is a wasteful number, since it uses less digits than its factorization.

56997334572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115848289 (or 115848287 counting only the distinct ones).

The product of its digits is 42865200, while the sum is 60.

The spelling of 56997334572 in words is "fifty-six billion, nine hundred ninety-seven million, three hundred thirty-four thousand, five hundred seventy-two".