557075172 has 24 divisors (see below), whose sum is σ = 1303394176. Its totient is φ = 185184288.

The previous prime is 557075149. The next prime is 557075179. The reversal of 557075172 is 271570755.

It is a self number, because there is not a number n which added to its sum of digits gives 557075172.

It is not an unprimeable number, because it can be changed into a prime (557075179) 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, 58843 + ... + 67650.

Almost surely, 2^557075172 is an apocalyptic number.

It is an amenable number.

557075172 is an abundant number, since it is smaller than the sum of its proper divisors (746319004).

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

557075172 is a wasteful number, since it uses less digits than its factorization.

557075172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126867 (or 126865 counting only the distinct ones).

The product of its (nonzero) digits is 85750, while the sum is 39.

The square root of 557075172 is about 23602.4399586144. The cubic root of 557075172 is about 822.8195483575.

The spelling of 557075172 in words is "five hundred fifty-seven million, seventy-five thousand, one hundred seventy-two".