56444217 has 8 divisors (see below), whose sum is σ = 76382496. Its totient is φ = 37067712.

The previous prime is 56444207. The next prime is 56444263. The reversal of 56444217 is 71244465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56444217 - 2¹⁸ = 56182073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56444207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140208 + ... + 140609.

It is an arithmetic number, because the mean of its divisors is an integer number (9547812).

Almost surely, 2^56444217 is an apocalyptic number.

It is an amenable number.

56444217 is a deficient number, since it is larger than the sum of its proper divisors (19938279).

56444217 is a wasteful number, since it uses less digits than its factorization.

56444217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280887.

The product of its digits is 26880, while the sum is 33.

The square root of 56444217 is about 7512.9366428847. The cubic root of 56444217 is about 383.5951883619.

The spelling of 56444217 in words is "fifty-six million, four hundred forty-four thousand, two hundred seventeen".