56722901243 has 4 divisors (see below), whose sum is σ = 56725200288. Its totient is φ = 56720602200.

The previous prime is 56722901227. The next prime is 56722901317. The reversal of 56722901243 is 34210922765.

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

It is a cyclic number.

It is not a de Polignac number, because 56722901243 - 2⁴ = 56722901227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56722901243.

It is not an unprimeable number, because it can be changed into a prime (56722900243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112108 + ... + 1161993.

It is an arithmetic number, because the mean of its divisors is an integer number (14181300072).

Almost surely, 2^56722901243 is an apocalyptic number.

56722901243 is a deficient number, since it is larger than the sum of its proper divisors (2299045).

56722901243 is a wasteful number, since it uses less digits than its factorization.

56722901243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299044.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 56722901243 in words is "fifty-six billion, seven hundred twenty-two million, nine hundred one thousand, two hundred forty-three".