557564530 has 16 divisors (see below), whose sum is σ = 1014894360. Its totient is φ = 220519552.

The previous prime is 557564473. The next prime is 557564533. The reversal of 557564530 is 35465755.

It can be written as a sum of positive squares in 4 ways, for example, as 300571569 + 256992961 = 17337^2 + 16031^2 .

It is a super-2 number, since 2×557564530² = 621756410228241800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557564533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312349 + ... + 314128.

Almost surely, 2^557564530 is an apocalyptic number.

557564530 is a deficient number, since it is larger than the sum of its proper divisors (457329830).

557564530 is a wasteful number, since it uses less digits than its factorization.

557564530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626573.

The product of its (nonzero) digits is 315000, while the sum is 40.

The square root of 557564530 is about 23612.8043654285. The cubic root of 557564530 is about 823.0604108143.

The spelling of 557564530 in words is "five hundred fifty-seven million, five hundred sixty-four thousand, five hundred thirty".