557426930 has 16 divisors (see below), whose sum is σ = 1009762200. Its totient is φ = 221549952.

The previous prime is 557426929. The next prime is 557426963. The reversal of 557426930 is 39624755.

It can be written as a sum of positive squares in 4 ways, for example, as 528126361 + 29300569 = 22981^2 + 5413^2 .

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, 175955 + ... + 179094.

Almost surely, 2^557426930 is an apocalyptic number.

557426930 is a deficient number, since it is larger than the sum of its proper divisors (452335270).

557426930 is a wasteful number, since it uses less digits than its factorization.

557426930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355213.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 557426930 is about 23609.8905122408. The cubic root of 557426930 is about 822.9926982153.

The spelling of 557426930 in words is "five hundred fifty-seven million, four hundred twenty-six thousand, nine hundred thirty".