56457259 has 2 divisors, whose sum is σ = 56457260. Its totient is φ = 56457258.

The previous prime is 56457257. The next prime is 56457307. The reversal of 56457259 is 95275465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56457259 - 2¹ = 56457257 is a prime.

Together with 56457257, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (56457253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28228629 + 28228630.

It is an arithmetic number, because the mean of its divisors is an integer number (28228630).

Almost surely, 2^56457259 is an apocalyptic number.

56457259 is a deficient number, since it is larger than the sum of its proper divisors (1).

56457259 is an equidigital number, since it uses as much as digits as its factorization.

56457259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The square root of 56457259 is about 7513.8045622707. The cubic root of 56457259 is about 383.6247305863.

The spelling of 56457259 in words is "fifty-six million, four hundred fifty-seven thousand, two hundred fifty-nine".