557364325256 has 16 divisors (see below), whose sum is σ = 1045067700300. Its totient is φ = 278679605184.

The previous prime is 557364325249. The next prime is 557364325283. The reversal of 557364325256 is 652523463755.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 556417532356 + 946792900 = 745934^2 + 30770^2 .

It is a junction number, because it is equal to n+sod(n) for n = 557364325198 and 557364325207.

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, 864650 + ... + 1364678.

Almost surely, 2^557364325256 is an apocalyptic number.

It is an amenable number.

557364325256 is a deficient number, since it is larger than the sum of its proper divisors (487703375044).

557364325256 is a wasteful number, since it uses less digits than its factorization.

557364325256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639368 (or 639364 counting only the distinct ones).

The product of its digits is 22680000, while the sum is 53.

The spelling of 557364325256 in words is "five hundred fifty-seven billion, three hundred sixty-four million, three hundred twenty-five thousand, two hundred fifty-six".