56626653189 has 4 divisors (see below), whose sum is σ = 75502204256. Its totient is φ = 37751102124.

The previous prime is 56626653179. The next prime is 56626653263. The reversal of 56626653189 is 98135662665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56626653189 - 2⁵ = 56626653157 is a prime.

It is a super-3 number, since 3×56626653189³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56626653169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9437775529 + ... + 9437775534.

It is an arithmetic number, because the mean of its divisors is an integer number (18875551064).

Almost surely, 2^56626653189 is an apocalyptic number.

It is an amenable number.

56626653189 is a deficient number, since it is larger than the sum of its proper divisors (18875551067).

56626653189 is a wasteful number, since it uses less digits than its factorization.

56626653189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18875551066.

The product of its digits is 13996800, while the sum is 57.

The spelling of 56626653189 in words is "fifty-six billion, six hundred twenty-six million, six hundred fifty-three thousand, one hundred eighty-nine".