56856181726 has 32 divisors (see below), whose sum is σ = 90961097472. Its totient is φ = 26560690560.

The previous prime is 56856181717. The next prime is 56856181751. The reversal of 56856181726 is 62718165865.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4598685 + ... + 4611031.

It is an arithmetic number, because the mean of its divisors is an integer number (2842534296).

Almost surely, 2^56856181726 is an apocalyptic number.

56856181726 is a deficient number, since it is larger than the sum of its proper divisors (34104915746).

56856181726 is a wasteful number, since it uses less digits than its factorization.

56856181726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13344.

The product of its digits is 4838400, while the sum is 55.

The spelling of 56856181726 in words is "fifty-six billion, eight hundred fifty-six million, one hundred eighty-one thousand, seven hundred twenty-six".