56957475965 has 24 divisors (see below), whose sum is σ = 74306157408. Its totient is φ = 41893176000.

The previous prime is 56957475943. The next prime is 56957475979.

56957475965 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56957475965 - 2⁶ = 56957475901 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56957475895 and 56957475904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77822 + ... + 346368.

It is an arithmetic number, because the mean of its divisors is an integer number (3096089892).

Almost surely, 2^56957475965 is an apocalyptic number.

It is an amenable number.

56957475965 is a deficient number, since it is larger than the sum of its proper divisors (17348681443).

56957475965 is a wasteful number, since it uses less digits than its factorization.

56957475965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268829 (or 268816 counting only the distinct ones).

The product of its digits is 357210000, while the sum is 68.

The spelling of 56957475965 in words is "fifty-six billion, nine hundred fifty-seven million, four hundred seventy-five thousand, nine hundred sixty-five".