557027856 has 180 divisors, whose sum is σ = 1958721856. Its totient is φ = 144650880.

The previous prime is 557027839. The next prime is 557027881. The reversal of 557027856 is 658720755.

557027856 is a `hidden beast` number, since 5 + 570 + 2 + 78 + 5 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 119685 + ... + 124251.

Almost surely, 2^557027856 is an apocalyptic number.

557027856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557027856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979360928).

557027856 is an abundant number, since it is smaller than the sum of its proper divisors (1401694000).

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

557027856 is a wasteful number, since it uses less digits than its factorization.

557027856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4610 (or 4590 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The square root of 557027856 is about 23601.4375833338. The cubic root of 557027856 is about 822.7962519013.

The spelling of 557027856 in words is "five hundred fifty-seven million, twenty-seven thousand, eight hundred fifty-six".