56165807983 has 8 divisors (see below), whose sum is σ = 60496832000. Its totient is φ = 51972276888.

The previous prime is 56165807953. The next prime is 56165807987. The reversal of 56165807983 is 38970856165.

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

It is a cyclic number.

It is not a de Polignac number, because 56165807983 - 2¹³ = 56165799791 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 (56165807987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34372383 + ... + 34374016.

It is an arithmetic number, because the mean of its divisors is an integer number (7562104000).

Almost surely, 2^56165807983 is an apocalyptic number.

56165807983 is a deficient number, since it is larger than the sum of its proper divisors (4331024017).

56165807983 is a wasteful number, since it uses less digits than its factorization.

56165807983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68746461.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 56165807983 in words is "fifty-six billion, one hundred sixty-five million, eight hundred seven thousand, nine hundred eighty-three".