557385472 has 36 divisors (see below), whose sum is σ = 1271539696. Its totient is φ = 238878720.

The previous prime is 557385431. The next prime is 557385497. The reversal of 557385472 is 274583755.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153729 + ... + 157312.

Almost surely, 2^557385472 is an apocalyptic number.

It is an amenable number.

557385472 is an abundant number, since it is smaller than the sum of its proper divisors (714154224).

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

557385472 is an equidigital number, since it uses as much as digits as its factorization.

557385472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311064 (or 311050 counting only the distinct ones).

The product of its digits is 1176000, while the sum is 46.

The square root of 557385472 is about 23609.0125164099. The cubic root of 557385472 is about 822.9722946578.

The spelling of 557385472 in words is "five hundred fifty-seven million, three hundred eighty-five thousand, four hundred seventy-two".