56859288993 has 18 divisors (see below), whose sum is σ = 88933762086. Its totient is φ = 34990330752.

The previous prime is 56859288979. The next prime is 56859289001. The reversal of 56859288993 is 39988295865.

56859288993 is a `hidden beast` number, since 568 + 59 + 2 + 8 + 8 + 9 + 9 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 135769104 + 56723519889 = 11652^2 + 238167^2 .

It is not a de Polignac number, because 56859288993 - 2¹² = 56859284897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56859218993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 18689896 + ... + 18692937.

Almost surely, 2^56859288993 is an apocalyptic number.

It is an amenable number.

56859288993 is a deficient number, since it is larger than the sum of its proper divisors (32074473093).

56859288993 is a wasteful number, since it uses less digits than its factorization.

56859288993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37382865 (or 37382849 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 72.

The spelling of 56859288993 in words is "fifty-six billion, eight hundred fifty-nine million, two hundred eighty-eight thousand, nine hundred ninety-three".