56081367317 has 4 divisors (see below), whose sum is σ = 56182052556. Its totient is φ = 55980682080.

The previous prime is 56081367301. The next prime is 56081367341. The reversal of 56081367317 is 71376318065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27606154801 + 28475212516 = 166151^2 + 168746^2 .

It is a cyclic number.

It is not a de Polignac number, because 56081367317 - 2⁴ = 56081367301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56081367367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50341784 + ... + 50342897.

It is an arithmetic number, because the mean of its divisors is an integer number (14045513139).

Almost surely, 2^56081367317 is an apocalyptic number.

It is an amenable number.

56081367317 is a deficient number, since it is larger than the sum of its proper divisors (100685239).

56081367317 is a wasteful number, since it uses less digits than its factorization.

56081367317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100685238.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 56081367317 in words is "fifty-six billion, eighty-one million, three hundred sixty-seven thousand, three hundred seventeen".