56656273 has 2 divisors, whose sum is σ = 56656274. Its totient is φ = 56656272.

The previous prime is 56656247. The next prime is 56656297. The reversal of 56656273 is 37265665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55175184 + 1481089 = 7428^2 + 1217^2 .

It is a cyclic number.

It is not a de Polignac number, because 56656273 - 2⁹ = 56655761 is a prime.

It is not a weakly prime, because it can be changed into another prime (56656673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28328136 + 28328137.

It is an arithmetic number, because the mean of its divisors is an integer number (28328137).

Almost surely, 2^56656273 is an apocalyptic number.

It is an amenable number.

56656273 is a deficient number, since it is larger than the sum of its proper divisors (1).

56656273 is an equidigital number, since it uses as much as digits as its factorization.

56656273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 40.

The square root of 56656273 is about 7527.0361364883. The cubic root of 56656273 is about 384.0749659231.

The spelling of 56656273 in words is "fifty-six million, six hundred fifty-six thousand, two hundred seventy-three".