557157700 has 36 divisors (see below), whose sum is σ = 1318946832. Its totient is φ = 202602400.

The previous prime is 557157697. The next prime is 557157701. The reversal of 557157700 is 7751755.

It is a self number, because there is not a number n which added to its sum of digits gives 557157700.

It is not an unprimeable number, because it can be changed into a prime (557157701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252154 + ... + 254353.

It is an arithmetic number, because the mean of its divisors is an integer number (36637412).

Almost surely, 2^557157700 is an apocalyptic number.

557157700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

557157700 is an abundant number, since it is smaller than the sum of its proper divisors (761789132).

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

557157700 is a wasteful number, since it uses less digits than its factorization.

557157700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506532 (or 506525 counting only the distinct ones).

The product of its (nonzero) digits is 42875, while the sum is 37.

The square root of 557157700 is about 23604.1881876925. The cubic root of 557157700 is about 822.8601786004.

The spelling of 557157700 in words is "five hundred fifty-seven million, one hundred fifty-seven thousand, seven hundred".