57397025956 has 12 divisors (see below), whose sum is σ = 101573389260. Its totient is φ = 28376057600.

The previous prime is 57397025947. The next prime is 57397025989. The reversal of 57397025956 is 65952079375.

It can be written as a sum of positive squares in 2 ways, for example, as 30340065856 + 27056960100 = 174184^2 + 164490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57397025956.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80613445 + ... + 80614156.

It is an arithmetic number, because the mean of its divisors is an integer number (8464449105).

Almost surely, 2^57397025956 is an apocalyptic number.

It is an amenable number.

57397025956 is a deficient number, since it is larger than the sum of its proper divisors (44176363304).

57397025956 is a wasteful number, since it uses less digits than its factorization.

57397025956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161227694 (or 161227692 counting only the distinct ones).

The product of its (nonzero) digits is 17860500, while the sum is 58.

The spelling of 57397025956 in words is "fifty-seven billion, three hundred ninety-seven million, twenty-five thousand, nine hundred fifty-six".