56814661475 has 24 divisors (see below), whose sum is σ = 82766650512. Its totient is φ = 38141308800.

The previous prime is 56814661457. The next prime is 56814661481. The reversal of 56814661475 is 57416641865.

It is not a de Polignac number, because 56814661475 - 2⁶ = 56814661411 is a prime.

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, 7942532 + ... + 7949681.

It is an arithmetic number, because the mean of its divisors is an integer number (3448610438).

Almost surely, 2^56814661475 is an apocalyptic number.

56814661475 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56814661475 is a deficient number, since it is larger than the sum of its proper divisors (25951989037).

56814661475 is a wasteful number, since it uses less digits than its factorization.

56814661475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15892247 (or 15892242 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 56814661475 in words is "fifty-six billion, eight hundred fourteen million, six hundred sixty-one thousand, four hundred seventy-five".