56456006263291 has 2 divisors, whose sum is σ = 56456006263292. Its totient is φ = 56456006263290.

The previous prime is 56456006263199. The next prime is 56456006263309. The reversal of 56456006263291 is 19236260065465.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56456006263291 - 2²¹ = 56456004166139 is a prime.

It is not a weakly prime, because it can be changed into another prime (56456003263291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28228003131645 + 28228003131646.

It is an arithmetic number, because the mean of its divisors is an integer number (28228003131646).

Almost surely, 2^{56456006263291} is an apocalyptic number.

56456006263291 is a deficient number, since it is larger than the sum of its proper divisors (1).

56456006263291 is an equidigital number, since it uses as much as digits as its factorization.

56456006263291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 56456006263291 in words is "fifty-six trillion, four hundred fifty-six billion, six million, two hundred sixty-three thousand, two hundred ninety-one".