56789926181 has 16 divisors (see below), whose sum is σ = 60327642816. Its totient is φ = 53274329856.

The previous prime is 56789926169. The next prime is 56789926183. The reversal of 56789926181 is 18162998765.

It is a cyclic number.

It is not a de Polignac number, because 56789926181 - 2¹⁴ = 56789909797 is a prime.

It is a super-2 number, since 2×56789926181² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56789926183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12598130 + ... + 12602636.

It is an arithmetic number, because the mean of its divisors is an integer number (3770477676).

Almost surely, 2^56789926181 is an apocalyptic number.

It is an amenable number.

56789926181 is a deficient number, since it is larger than the sum of its proper divisors (3537716635).

56789926181 is a wasteful number, since it uses less digits than its factorization.

56789926181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6788.

The product of its digits is 13063680, while the sum is 62.

The spelling of 56789926181 in words is "fifty-six billion, seven hundred eighty-nine million, nine hundred twenty-six thousand, one hundred eighty-one".