557725252 has 36 divisors (see below), whose sum is σ = 1184742720. Its totient is φ = 228630864.

The previous prime is 557725241. The next prime is 557725261. The reversal of 557725252 is 252527755.

It is a super-2 number, since 2×557725252² = 622114913436927008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57352 + ... + 66367.

It is an arithmetic number, because the mean of its divisors is an integer number (32909520).

Almost surely, 2^557725252 is an apocalyptic number.

It is an amenable number.

557725252 is an abundant number, since it is smaller than the sum of its proper divisors (627017468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557725252 is a wasteful number, since it uses less digits than its factorization.

557725252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123760 (or 123751 counting only the distinct ones).

The product of its digits is 245000, while the sum is 40.

The square root of 557725252 is about 23616.2074008508. The cubic root of 557725252 is about 823.1394875846.

The spelling of 557725252 in words is "five hundred fifty-seven million, seven hundred twenty-five thousand, two hundred fifty-two".