56983159 has 2 divisors, whose sum is σ = 56983160. Its totient is φ = 56983158.

The previous prime is 56983151. The next prime is 56983163. The reversal of 56983159 is 95138965.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56983159 - 2³ = 56983151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56983151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28491579 + 28491580.

It is an arithmetic number, because the mean of its divisors is an integer number (28491580).

Almost surely, 2^56983159 is an apocalyptic number.

56983159 is a deficient number, since it is larger than the sum of its proper divisors (1).

56983159 is an equidigital number, since it uses as much as digits as its factorization.

56983159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 56983159 is about 7548.7190304051. The cubic root of 56983159 is about 384.8122072846.

The spelling of 56983159 in words is "fifty-six million, nine hundred eighty-three thousand, one hundred fifty-nine".