56971252597 has 16 divisors (see below), whose sum is σ = 65930078592. Its totient is φ = 48219724800.

The previous prime is 56971252561. The next prime is 56971252631. The reversal of 56971252597 is 79525217965.

It is a cyclic number.

It is not a de Polignac number, because 56971252597 - 2¹⁵ = 56971219829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56971222597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206097 + ... + 395497.

It is an arithmetic number, because the mean of its divisors is an integer number (4120629912).

Almost surely, 2^56971252597 is an apocalyptic number.

It is an amenable number.

56971252597 is a deficient number, since it is larger than the sum of its proper divisors (8958825995).

56971252597 is a wasteful number, since it uses less digits than its factorization.

56971252597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189948.

The product of its digits is 11907000, while the sum is 58.

The spelling of 56971252597 in words is "fifty-six billion, nine hundred seventy-one million, two hundred fifty-two thousand, five hundred ninety-seven".