56321727737 has 12 divisors (see below), whose sum is σ = 63487828368. Its totient is φ = 49549897800.

The previous prime is 56321727731. The next prime is 56321727851. The reversal of 56321727737 is 73772712365.

It is not a de Polignac number, because 56321727737 - 2¹² = 56321723641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56321727731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2653403 + ... + 2674544.

It is an arithmetic number, because the mean of its divisors is an integer number (5290652364).

Almost surely, 2^56321727737 is an apocalyptic number.

It is an amenable number.

56321727737 is a deficient number, since it is larger than the sum of its proper divisors (7166100631).

56321727737 is a wasteful number, since it uses less digits than its factorization.

56321727737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328020 (or 5327989 counting only the distinct ones).

The product of its digits is 2593080, while the sum is 50.

The spelling of 56321727737 in words is "fifty-six billion, three hundred twenty-one million, seven hundred twenty-seven thousand, seven hundred thirty-seven".