557328620 has 12 divisors (see below), whose sum is σ = 1170390144. Its totient is φ = 222931440.

The previous prime is 557328601. The next prime is 557328623. The reversal of 557328620 is 26823755.

It is a super-2 number, since 2×557328620² = 621230381342208800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557328623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13933196 + ... + 13933235.

It is an arithmetic number, because the mean of its divisors is an integer number (97532512).

Almost surely, 2^557328620 is an apocalyptic number.

It is an amenable number.

557328620 is an abundant number, since it is smaller than the sum of its proper divisors (613061524).

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

557328620 is a wasteful number, since it uses less digits than its factorization.

557328620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27866440 (or 27866438 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 557328620 is about 23607.8084539840. The cubic root of 557328620 is about 822.9443132972.

The spelling of 557328620 in words is "five hundred fifty-seven million, three hundred twenty-eight thousand, six hundred twenty".