557505025 has 48 divisors (see below), whose sum is σ = 870122880. Its totient is φ = 344217600.

The previous prime is 557505017. The next prime is 557505031. The reversal of 557505025 is 520505755.

It is not a de Polignac number, because 557505025 - 2³ = 557505017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 208497 + ... + 211153.

It is an arithmetic number, because the mean of its divisors is an integer number (18127560).

Almost surely, 2^557505025 is an apocalyptic number.

557505025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

557505025 is a deficient number, since it is larger than the sum of its proper divisors (312617855).

557505025 is a wasteful number, since it uses less digits than its factorization.

557505025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 557505025 is about 23611.5443162873. The cubic root of 557505025 is about 823.0311299272.

The spelling of 557505025 in words is "five hundred fifty-seven million, five hundred five thousand, twenty-five".