557561572 has 12 divisors (see below), whose sum is σ = 977938416. Its totient is φ = 278150600.

The previous prime is 557561513. The next prime is 557561573. The reversal of 557561572 is 275165755.

It is a happy number.

It is a super-2 number, since 2×557561572² = 621749813142222368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (557561573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155554 + ... + 159097.

It is an arithmetic number, because the mean of its divisors is an integer number (81494868).

Almost surely, 2^557561572 is an apocalyptic number.

It is an amenable number.

557561572 is a deficient number, since it is larger than the sum of its proper divisors (420376844).

557561572 is a wasteful number, since it uses less digits than its factorization.

557561572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315098 (or 315096 counting only the distinct ones).

The product of its digits is 367500, while the sum is 43.

The square root of 557561572 is about 23612.7417298373. The cubic root of 557561572 is about 823.0589553074.

The spelling of 557561572 in words is "five hundred fifty-seven million, five hundred sixty-one thousand, five hundred seventy-two".