56244181217 has 6 divisors (see below), whose sum is σ = 65426904738. Its totient is φ = 48209298144.

The previous prime is 56244181193. The next prime is 56244181243. The reversal of 56244181217 is 71218144265.

It can be written as a sum of positive squares in only one way, i.e., 35676032161 + 20568149056 = 188881^2 + 143416^2 .

It is not a de Polignac number, because 56244181217 - 2³⁴ = 39064312033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56244181717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 573920168 + ... + 573920265.

It is an arithmetic number, because the mean of its divisors is an integer number (10904484123).

Almost surely, 2^56244181217 is an apocalyptic number.

It is an amenable number.

56244181217 is a deficient number, since it is larger than the sum of its proper divisors (9182723521).

56244181217 is a wasteful number, since it uses less digits than its factorization.

56244181217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147840447 (or 1147840440 counting only the distinct ones).

The product of its digits is 107520, while the sum is 41.

The spelling of 56244181217 in words is "fifty-six billion, two hundred forty-four million, one hundred eighty-one thousand, two hundred seventeen".