56808017 has 4 divisors (see below), whose sum is σ = 64923456. Its totient is φ = 48692580.

The previous prime is 56807983. The next prime is 56808029. The reversal of 56808017 is 71080865.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56808017 - 2¹⁰ = 56806993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56808047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4057709 + ... + 4057722.

It is an arithmetic number, because the mean of its divisors is an integer number (16230864).

Almost surely, 2^56808017 is an apocalyptic number.

It is an amenable number.

56808017 is a deficient number, since it is larger than the sum of its proper divisors (8115439).

56808017 is an equidigital number, since it uses as much as digits as its factorization.

56808017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8115438.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 56808017 is about 7537.1093265257. The cubic root of 56808017 is about 384.4175529772.

The spelling of 56808017 in words is "fifty-six million, eight hundred eight thousand, seventeen".