557948928 has 112 divisors (see below), whose sum is σ = 1513002816. Its totient is φ = 182845440.

The previous prime is 557948917. The next prime is 557948939. The reversal of 557948928 is 829849755.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (557948917) and next prime (557948939).

It is a super-2 number, since 2×557948928² = 622614012512698368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1793893 + ... + 1794203.

Almost surely, 2^557948928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557948928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (756501408).

557948928 is an abundant number, since it is smaller than the sum of its proper divisors (955053888).

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

557948928 is an equidigital number, since it uses as much as digits as its factorization.

557948928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 389 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 57.

The square root of 557948928 is about 23620.9425722176. The cubic root of 557948928 is about 823.2495130493.

The spelling of 557948928 in words is "five hundred fifty-seven million, nine hundred forty-eight thousand, nine hundred twenty-eight".