557451228 has 12 divisors (see below), whose sum is σ = 1300719560. Its totient is φ = 185817072.

The previous prime is 557451227. The next prime is 557451229. The reversal of 557451228 is 822154755.

It is an interprime number because it is at equal distance from previous prime (557451227) and next prime (557451229).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557451227) 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, 23227123 + ... + 23227146.

Almost surely, 2^557451228 is an apocalyptic number.

It is an amenable number.

557451228 is an abundant number, since it is smaller than the sum of its proper divisors (743268332).

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

557451228 is a wasteful number, since it uses less digits than its factorization.

557451228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46454276 (or 46454274 counting only the distinct ones).

The product of its digits is 112000, while the sum is 39.

The square root of 557451228 is about 23610.4050791171. The cubic root of 557451228 is about 823.0046560074.

The spelling of 557451228 in words is "five hundred fifty-seven million, four hundred fifty-one thousand, two hundred twenty-eight".