56005617 has 8 divisors (see below), whose sum is σ = 75359680. Its totient is φ = 36994320.

The previous prime is 56005613. The next prime is 56005627. The reversal of 56005617 is 71650065.

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

It is not a de Polignac number, because 56005617 - 2² = 56005613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56005613) 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, 85309 + ... + 85962.

It is an arithmetic number, because the mean of its divisors is an integer number (9419960).

Almost surely, 2^56005617 is an apocalyptic number.

It is an amenable number.

56005617 is a deficient number, since it is larger than the sum of its proper divisors (19354063).

56005617 is a wasteful number, since it uses less digits than its factorization.

56005617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171383.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 56005617 is about 7483.6900657363. The cubic root of 56005617 is about 382.5990277155.

The spelling of 56005617 in words is "fifty-six million, five thousand, six hundred seventeen".