56884269257 has 2 divisors, whose sum is σ = 56884269258. Its totient is φ = 56884269256.

The previous prime is 56884269251. The next prime is 56884269259. The reversal of 56884269257 is 75296248865.

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., 56423351296 + 460917961 = 237536^2 + 21469^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56884269257 is a prime.

Together with 56884269259, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56884269257.

It is not a weakly prime, because it can be changed into another prime (56884269251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28442134628 + 28442134629.

It is an arithmetic number, because the mean of its divisors is an integer number (28442134629).

Almost surely, 2^56884269257 is an apocalyptic number.

It is an amenable number.

56884269257 is a deficient number, since it is larger than the sum of its proper divisors (1).

56884269257 is an equidigital number, since it uses as much as digits as its factorization.

56884269257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58060800, while the sum is 62.

The spelling of 56884269257 in words is "fifty-six billion, eight hundred eighty-four million, two hundred sixty-nine thousand, two hundred fifty-seven".