557108828 has 12 divisors (see below), whose sum is σ = 976007760. Its totient is φ = 278249472.

The previous prime is 557108789. The next prime is 557108833. The reversal of 557108828 is 828801755.

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, 72101 + ... + 79452.

It is an arithmetic number, because the mean of its divisors is an integer number (81333980).

Almost surely, 2^557108828 is an apocalyptic number.

It is an amenable number.

557108828 is a deficient number, since it is larger than the sum of its proper divisors (418898932).

557108828 is a wasteful number, since it uses less digits than its factorization.

557108828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152476 (or 152474 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 44.

The square root of 557108828 is about 23603.1529249802. The cubic root of 557108828 is about 822.8361183876.

The spelling of 557108828 in words is "five hundred fifty-seven million, one hundred eight thousand, eight hundred twenty-eight".