557895648 has 24 divisors (see below), whose sum is σ = 1464476328. Its totient is φ = 185965184.

The previous prime is 557895629. The next prime is 557895671. The reversal of 557895648 is 846598755.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×557895648² = 622495108114679808, 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 3 ways as a sum of consecutive naturals, for example, 2905611 + ... + 2905802.

It is an arithmetic number, because the mean of its divisors is an integer number (61019847).

Almost surely, 2^557895648 is an apocalyptic number.

It is an amenable number.

557895648 is an abundant number, since it is smaller than the sum of its proper divisors (906580680).

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

557895648 is a wasteful number, since it uses less digits than its factorization.

557895648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5811426 (or 5811418 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 57.

The square root of 557895648 is about 23619.8147325503. The cubic root of 557895648 is about 823.2233074666.

The spelling of 557895648 in words is "five hundred fifty-seven million, eight hundred ninety-five thousand, six hundred forty-eight".