56180860808 has 36 divisors (see below), whose sum is σ = 107688455415. Its totient is φ = 27477342288.

The previous prime is 56180860807. The next prime is 56180860811. The reversal of 56180860808 is 80806808165.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 28090430404 + 28090430404 = 167602^2 + 167602^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167602.

It is a super-2 number, since 2×56180860808² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56180860807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 31508285 + ... + 31510067.

Almost surely, 2^56180860808 is an apocalyptic number.

It is an amenable number.

56180860808 is a deficient number, since it is larger than the sum of its proper divisors (51507594607).

56180860808 is an frugal number, since it uses more digits than its factorization.

56180860808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 50.

Multiplying 56180860808 by its sum of digits (50), we get a square (2809043040400 = 1676020²).

The spelling of 56180860808 in words is "fifty-six billion, one hundred eighty million, eight hundred sixty thousand, eight hundred eight".