557811604 has 24 divisors (see below), whose sum is σ = 1139362560. Its totient is φ = 233975136.

The previous prime is 557811577. The next prime is 557811619. The reversal of 557811604 is 406118755.

557811604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×557811604² = 622307571114105632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210619 + ... + 213250.

It is an arithmetic number, because the mean of its divisors is an integer number (47473440).

Almost surely, 2^557811604 is an apocalyptic number.

It is an amenable number.

557811604 is an abundant number, since it is smaller than the sum of its proper divisors (581550956).

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

557811604 is a wasteful number, since it uses less digits than its factorization.

557811604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423927 (or 423925 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 557811604 is about 23618.0355660669. The cubic root of 557811604 is about 823.1819673257.

The spelling of 557811604 in words is "five hundred fifty-seven million, eight hundred eleven thousand, six hundred four".