557655900 has 144 divisors (see below), whose sum is σ = 1694558208. Its totient is φ = 141408000.

The previous prime is 557655887. The next prime is 557656003. The reversal of 557655900 is 9556755.

557655900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 566809 + ... + 567791.

Almost surely, 2^557655900 is an apocalyptic number.

557655900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557655900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847279104).

557655900 is an abundant number, since it is smaller than the sum of its proper divisors (1136902308).

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

557655900 is a wasteful number, since it uses less digits than its factorization.

557655900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1085 counting only the distinct ones).

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 557655900 is about 23614.7390415393. The cubic root of 557655900 is about 823.1053675969.

The spelling of 557655900 in words is "five hundred fifty-seven million, six hundred fifty-five thousand, nine hundred".