56355699528 has 48 divisors (see below), whose sum is σ = 152868257100. Its totient is φ = 18755911680.

The previous prime is 56355699511. The next prime is 56355699553. The reversal of 56355699528 is 82599655365.

56355699528 is a `hidden beast` number, since 5 + 63 + 5 + 569 + 9 + 5 + 2 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37356385284 + 18999314244 = 193278^2 + 137838^2 .

It is a super-4 number, since 4×56355699528⁴ (a number of 44 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 564393 + ... + 656696.

Almost surely, 2^56355699528 is an apocalyptic number.

It is an amenable number.

56355699528 is an abundant number, since it is smaller than the sum of its proper divisors (96512557572).

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

56355699528 is a wasteful number, since it uses less digits than its factorization.

56355699528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221742 (or 1221735 counting only the distinct ones).

The product of its digits is 87480000, while the sum is 63.

The spelling of 56355699528 in words is "fifty-six billion, three hundred fifty-five million, six hundred ninety-nine thousand, five hundred twenty-eight".