56225159 has 2 divisors, whose sum is σ = 56225160. Its totient is φ = 56225158.

The previous prime is 56225149. The next prime is 56225189. The reversal of 56225159 is 95152265.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56225159 - 2²⁴ = 39447943 is a prime.

It is a super-2 number, since 2×56225159² = 6322537009150562, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56225119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28112579 + 28112580.

It is an arithmetic number, because the mean of its divisors is an integer number (28112580).

Almost surely, 2^56225159 is an apocalyptic number.

56225159 is a deficient number, since it is larger than the sum of its proper divisors (1).

56225159 is an equidigital number, since it uses as much as digits as its factorization.

56225159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 35.

The square root of 56225159 is about 7498.3437504558. The cubic root of 56225159 is about 383.0983052472.

The spelling of 56225159 in words is "fifty-six million, two hundred twenty-five thousand, one hundred fifty-nine".