56271061588 has 18 divisors (see below), whose sum is σ = 114551804346. Its totient is φ = 24116169168.

The previous prime is 56271061549. The next prime is 56271061603. The reversal of 56271061588 is 88516017265.

It can be written as a sum of positive squares in only one way, i.e., 54485830084 + 1785231504 = 233422^2 + 42252^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 143548431 + ... + 143548822.

Almost surely, 2^56271061588 is an apocalyptic number.

It is an amenable number.

56271061588 is an abundant number, since it is smaller than the sum of its proper divisors (58280742758).

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

56271061588 is a wasteful number, since it uses less digits than its factorization.

56271061588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287097271 (or 287097262 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 56271061588 in words is "fifty-six billion, two hundred seventy-one million, sixty-one thousand, five hundred eighty-eight".