557147072 has 28 divisors (see below), whose sum is σ = 1143716280. Its totient is φ = 268966656.

The previous prime is 557147047. The next prime is 557147111. The reversal of 557147072 is 270741755.

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, 148238 + ... + 151949.

It is an arithmetic number, because the mean of its divisors is an integer number (40847010).

Almost surely, 2^557147072 is an apocalyptic number.

It is an amenable number.

557147072 is an abundant number, since it is smaller than the sum of its proper divisors (586569208).

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

557147072 is a wasteful number, since it uses less digits than its factorization.

557147072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300228 (or 300218 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 38.

The square root of 557147072 is about 23603.9630570801. The cubic root of 557147072 is about 822.8549464411.

The spelling of 557147072 in words is "five hundred fifty-seven million, one hundred forty-seven thousand, seventy-two".