56739751475 has 12 divisors (see below), whose sum is σ = 76753409640. Its totient is φ = 41265273600.

The previous prime is 56739751469. The next prime is 56739751501. The reversal of 56739751475 is 57415793765.

It is a happy number.

It is not a de Polignac number, because 56739751475 - 2²² = 56735557171 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103162910 + ... + 103163459.

It is an arithmetic number, because the mean of its divisors is an integer number (6396117470).

Almost surely, 2^56739751475 is an apocalyptic number.

56739751475 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56739751475 is a deficient number, since it is larger than the sum of its proper divisors (20013658165).

56739751475 is a wasteful number, since it uses less digits than its factorization.

56739751475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206326390 (or 206326385 counting only the distinct ones).

The product of its digits is 27783000, while the sum is 59.

The spelling of 56739751475 in words is "fifty-six billion, seven hundred thirty-nine million, seven hundred fifty-one thousand, four hundred seventy-five".