56656322233 has 4 divisors (see below), whose sum is σ = 64750082560. Its totient is φ = 48562561908.

The previous prime is 56656322213. The next prime is 56656322249. The reversal of 56656322233 is 33222365665.

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 56656322233 - 2⁹ = 56656321721 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56656322233.

It is not an unprimeable number, because it can be changed into a prime (56656322213) 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, 4046880153 + ... + 4046880166.

It is an arithmetic number, because the mean of its divisors is an integer number (16187520640).

Almost surely, 2^56656322233 is an apocalyptic number.

It is an amenable number.

56656322233 is a deficient number, since it is larger than the sum of its proper divisors (8093760327).

56656322233 is an equidigital number, since it uses as much as digits as its factorization.

56656322233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093760326.

The product of its digits is 1166400, while the sum is 43.

Adding to 56656322233 its reverse (33222365665), we get a palindrome (89878687898).

The spelling of 56656322233 in words is "fifty-six billion, six hundred fifty-six million, three hundred twenty-two thousand, two hundred thirty-three".