56854557597 has 32 divisors (see below), whose sum is σ = 83141821440. Its totient is φ = 34522414080.

The previous prime is 56854557593. The next prime is 56854557671. The reversal of 56854557597 is 79575545865.

It is not a de Polignac number, because 56854557597 - 2² = 56854557593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56854557593) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394693 + ... + 519125.

It is an arithmetic number, because the mean of its divisors is an integer number (2598181920).

Almost surely, 2^56854557597 is an apocalyptic number.

It is an amenable number.

56854557597 is a deficient number, since it is larger than the sum of its proper divisors (26287263843).

56854557597 is a wasteful number, since it uses less digits than its factorization.

56854557597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124518 (or 124484 counting only the distinct ones).

The product of its digits is 264600000, while the sum is 66.

The spelling of 56854557597 in words is "fifty-six billion, eight hundred fifty-four million, five hundred fifty-seven thousand, five hundred ninety-seven".