557555252 has 12 divisors (see below), whose sum is σ = 975919140. Its totient is φ = 278721216.

The previous prime is 557555203. The next prime is 557555263. The reversal of 557555252 is 252555755.

557555252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132618256 + 424936996 = 11516^2 + 20614^2 .

It is a congruent number.

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, 14648 + ... + 36464.

It is an arithmetic number, because the mean of its divisors is an integer number (81326595).

Almost surely, 2^557555252 is an apocalyptic number.

It is an amenable number.

557555252 is a deficient number, since it is larger than the sum of its proper divisors (418363888).

557555252 is a wasteful number, since it uses less digits than its factorization.

557555252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28210 (or 28208 counting only the distinct ones).

The product of its digits is 437500, while the sum is 41.

The square root of 557555252 is about 23612.6079034062. The cubic root of 557555252 is about 823.0558454851.

The spelling of 557555252 in words is "five hundred fifty-seven million, five hundred fifty-five thousand, two hundred fifty-two".