56266319273 has 2 divisors, whose sum is σ = 56266319274. Its totient is φ = 56266319272.

The previous prime is 56266319183. The next prime is 56266319339. The reversal of 56266319273 is 37291366265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55980979609 + 285339664 = 236603^2 + 16892^2 .

It is a cyclic number.

It is not a de Polignac number, because 56266319273 - 2⁸ = 56266319017 is a prime.

It is not a weakly prime, because it can be changed into another prime (56266319773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28133159636 + 28133159637.

It is an arithmetic number, because the mean of its divisors is an integer number (28133159637).

Almost surely, 2^56266319273 is an apocalyptic number.

It is an amenable number.

56266319273 is a deficient number, since it is larger than the sum of its proper divisors (1).

56266319273 is an equidigital number, since it uses as much as digits as its factorization.

56266319273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 50.

The spelling of 56266319273 in words is "fifty-six billion, two hundred sixty-six million, three hundred nineteen thousand, two hundred seventy-three".