56612772233 has 2 divisors, whose sum is σ = 56612772234. Its totient is φ = 56612772232.

The previous prime is 56612772221. The next prime is 56612772239. The reversal of 56612772233 is 33227721665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50745671824 + 5867100409 = 225268^2 + 76597^2 .

It is a cyclic number.

It is not a de Polignac number, because 56612772233 - 2⁶ = 56612772169 is a prime.

It is not a weakly prime, because it can be changed into another prime (56612772239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28306386116 + 28306386117.

It is an arithmetic number, because the mean of its divisors is an integer number (28306386117).

Almost surely, 2^56612772233 is an apocalyptic number.

It is an amenable number.

56612772233 is a deficient number, since it is larger than the sum of its proper divisors (1).

56612772233 is an equidigital number, since it uses as much as digits as its factorization.

56612772233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 44.

The spelling of 56612772233 in words is "fifty-six billion, six hundred twelve million, seven hundred seventy-two thousand, two hundred thirty-three".