557271228 has 24 divisors (see below), whose sum is σ = 1330540288. Its totient is φ = 181436976.

The previous prime is 557271223. The next prime is 557271229. The reversal of 557271228 is 822172755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557271223) 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, 539476 + ... + 540507.

Almost surely, 2^557271228 is an apocalyptic number.

It is an amenable number.

557271228 is an abundant number, since it is smaller than the sum of its proper divisors (773269060).

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

557271228 is a wasteful number, since it uses less digits than its factorization.

557271228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080033 (or 1080031 counting only the distinct ones).

The product of its digits is 78400, while the sum is 39.

The square root of 557271228 is about 23606.5928926645. The cubic root of 557271228 is about 822.9160642297.

The spelling of 557271228 in words is "five hundred fifty-seven million, two hundred seventy-one thousand, two hundred twenty-eight".