56466257 has 2 divisors, whose sum is σ = 56466258. Its totient is φ = 56466256.

The previous prime is 56466247. The next prime is 56466287. The reversal of 56466257 is 75266465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31854736 + 24611521 = 5644^2 + 4961^2 .

It is a cyclic number.

It is not a de Polignac number, because 56466257 - 2⁸ = 56466001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56466217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28233128 + 28233129.

It is an arithmetic number, because the mean of its divisors is an integer number (28233129).

Almost surely, 2^56466257 is an apocalyptic number.

It is an amenable number.

56466257 is a deficient number, since it is larger than the sum of its proper divisors (1).

56466257 is an equidigital number, since it uses as much as digits as its factorization.

56466257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 56466257 is about 7514.4033029909. The cubic root of 56466257 is about 383.6451098491.

The spelling of 56466257 in words is "fifty-six million, four hundred sixty-six thousand, two hundred fifty-seven".