56401159 has 2 divisors, whose sum is σ = 56401160. Its totient is φ = 56401158.

The previous prime is 56401157. The next prime is 56401207. The reversal of 56401159 is 95110465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56401159 - 2¹ = 56401157 is a prime.

Together with 56401157, 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 56401159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56401153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28200579 + 28200580.

It is an arithmetic number, because the mean of its divisors is an integer number (28200580).

Almost surely, 2^56401159 is an apocalyptic number.

56401159 is a deficient number, since it is larger than the sum of its proper divisors (1).

56401159 is an equidigital number, since it uses as much as digits as its factorization.

56401159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 56401159 is about 7510.0705056610. The cubic root of 56401159 is about 383.4976227523.

The spelling of 56401159 in words is "fifty-six million, four hundred one thousand, one hundred fifty-nine".