56896817 has 2 divisors, whose sum is σ = 56896818. Its totient is φ = 56896816.

The previous prime is 56896789. The next prime is 56896823. The reversal of 56896817 is 71869865.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50751376 + 6145441 = 7124^2 + 2479^2 .

It is a cyclic number.

It is not a de Polignac number, because 56896817 - 2¹⁰ = 56895793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56896117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28448408 + 28448409.

It is an arithmetic number, because the mean of its divisors is an integer number (28448409).

Almost surely, 2^56896817 is an apocalyptic number.

It is an amenable number.

56896817 is a deficient number, since it is larger than the sum of its proper divisors (1).

56896817 is an equidigital number, since it uses as much as digits as its factorization.

56896817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 50.

The square root of 56896817 is about 7542.9978788278. The cubic root of 56896817 is about 384.6177507024.

The spelling of 56896817 in words is "fifty-six million, eight hundred ninety-six thousand, eight hundred seventeen".