56522159 has 2 divisors, whose sum is σ = 56522160. Its totient is φ = 56522158.

The previous prime is 56522143. The next prime is 56522171. The reversal of 56522159 is 95122565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56522159 - 2⁴ = 56522143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56522129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28261079 + 28261080.

It is an arithmetic number, because the mean of its divisors is an integer number (28261080).

Almost surely, 2^56522159 is an apocalyptic number.

56522159 is a deficient number, since it is larger than the sum of its proper divisors (1).

56522159 is an equidigital number, since it uses as much as digits as its factorization.

56522159 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 56522159 is about 7518.1220394458. The cubic root of 56522159 is about 383.7716718973.

The spelling of 56522159 in words is "fifty-six million, five hundred twenty-two thousand, one hundred fifty-nine".