56159297 has 2 divisors, whose sum is σ = 56159298. Its totient is φ = 56159296.

The previous prime is 56159293. The next prime is 56159309. The reversal of 56159297 is 79295165.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54523456 + 1635841 = 7384^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 56159297 - 2² = 56159293 is a prime.

It is not a weakly prime, because it can be changed into another prime (56159293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28079648 + 28079649.

It is an arithmetic number, because the mean of its divisors is an integer number (28079649).

Almost surely, 2^56159297 is an apocalyptic number.

It is an amenable number.

56159297 is a deficient number, since it is larger than the sum of its proper divisors (1).

56159297 is an equidigital number, since it uses as much as digits as its factorization.

56159297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 170100, while the sum is 44.

The square root of 56159297 is about 7493.9506937262. The cubic root of 56159297 is about 382.9486600259.

The spelling of 56159297 in words is "fifty-six million, one hundred fifty-nine thousand, two hundred ninety-seven".