557324420 has 12 divisors (see below), whose sum is σ = 1170381324. Its totient is φ = 222929760.

The previous prime is 557324389. The next prime is 557324483. The reversal of 557324420 is 24423755.

It can be written as a sum of positive squares in 2 ways, for example, as 176996416 + 380328004 = 13304^2 + 19502^2 .

It is a super-2 number, since 2×557324420² = 621221018256672800, which contains 22 as substring.

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, 13933091 + ... + 13933130.

It is an arithmetic number, because the mean of its divisors is an integer number (97531777).

Almost surely, 2^557324420 is an apocalyptic number.

It is an amenable number.

557324420 is an abundant number, since it is smaller than the sum of its proper divisors (613056904).

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

557324420 is a wasteful number, since it uses less digits than its factorization.

557324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27866230 (or 27866228 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 557324420 is about 23607.7195001974. The cubic root of 557324420 is about 822.9422460699.

The spelling of 557324420 in words is "five hundred fifty-seven million, three hundred twenty-four thousand, four hundred twenty".