56317219 has 12 divisors (see below), whose sum is σ = 67284624. Its totient is φ = 46965744.

The previous prime is 56317201. The next prime is 56317223. The reversal of 56317219 is 91271365.

It is not a de Polignac number, because 56317219 - 2⁵ = 56317187 is a prime.

It is a super-2 number, since 2×56317219² = 6343258311787922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56317249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13719 + ... + 17344.

It is an arithmetic number, because the mean of its divisors is an integer number (5607052).

Almost surely, 2^56317219 is an apocalyptic number.

56317219 is a deficient number, since it is larger than the sum of its proper divisors (10967405).

56317219 is a wasteful number, since it uses less digits than its factorization.

56317219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31114 (or 31107 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 56317219 is about 7504.4799286826. The cubic root of 56317219 is about 383.3072793046.

The spelling of 56317219 in words is "fifty-six million, three hundred seventeen thousand, two hundred nineteen".