56597677679565 has 48 divisors (see below), whose sum is σ = 108834979631040. Its totient is φ = 26976191504640.

The previous prime is 56597677679533. The next prime is 56597677679603.

56597677679565 is a `hidden beast` number, since 5 + 6 + 597 + 6 + 7 + 7 + 6 + 7 + 9 + 5 + 6 + 5 = 666.

56597677679565 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56597677679565 - 2⁵ = 56597677679533 is a prime.

It is a super-4 number, since 4×56597677679565⁴ (a number of 56 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 968943192 + ... + 969001601.

It is an arithmetic number, because the mean of its divisors is an integer number (2267395408980).

Almost surely, 2^{56597677679565} is an apocalyptic number.

56597677679565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56597677679565 is a deficient number, since it is larger than the sum of its proper divisors (52237301951475).

56597677679565 is a wasteful number, since it uses less digits than its factorization.

56597677679565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937944874 (or 1937944871 counting only the distinct ones).

The product of its digits is 157529610000, while the sum is 90.

The spelling of 56597677679565 in words is "fifty-six trillion, five hundred ninety-seven billion, six hundred seventy-seven million, six hundred seventy-nine thousand, five hundred sixty-five".