557381900 has 36 divisors (see below), whose sum is σ = 1210630848. Its totient is φ = 222747840.

The previous prime is 557381899. The next prime is 557381917. The reversal of 557381900 is 9183755.

It is a super-2 number, since 2×557381900² = 621349164895220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154922 + ... + 158478.

Almost surely, 2^557381900 is an apocalyptic number.

557381900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

557381900 is an abundant number, since it is smaller than the sum of its proper divisors (653248948).

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

557381900 is a wasteful number, since it uses less digits than its factorization.

557381900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138 (or 5131 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 557381900 is about 23608.9368672120. The cubic root of 557381900 is about 822.9705366504.

The spelling of 557381900 in words is "five hundred fifty-seven million, three hundred eighty-one thousand, nine hundred".