56526232209 has 16 divisors (see below), whose sum is σ = 78051254400. Its totient is φ = 36345483776.

The previous prime is 56526232171. The next prime is 56526232219. The reversal of 56526232209 is 90223262565.

56526232209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56526232209 - 2¹¹ = 56526230161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56526232219) 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, 268869 + ... + 430514.

It is an arithmetic number, because the mean of its divisors is an integer number (4878203400).

Almost surely, 2^56526232209 is an apocalyptic number.

It is an amenable number.

56526232209 is a deficient number, since it is larger than the sum of its proper divisors (21525022191).

56526232209 is a wasteful number, since it uses less digits than its factorization.

56526232209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700344.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 56526232209 in words is "fifty-six billion, five hundred twenty-six million, two hundred thirty-two thousand, two hundred nine".