56117228389 has 8 divisors (see below), whose sum is σ = 59402360160. Its totient is φ = 52922100336.

The previous prime is 56117228357. The next prime is 56117228393. The reversal of 56117228389 is 98382271165.

It is a happy number.

56117228389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56117228389 - 2⁵ = 56117228357 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 (56117228309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22499647 + ... + 22502140.

It is an arithmetic number, because the mean of its divisors is an integer number (7425295020).

Almost surely, 2^56117228389 is an apocalyptic number.

It is an amenable number.

56117228389 is a deficient number, since it is larger than the sum of its proper divisors (3285131771).

56117228389 is a wasteful number, since it uses less digits than its factorization.

56117228389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45001859.

The product of its digits is 1451520, while the sum is 52.

The spelling of 56117228389 in words is "fifty-six billion, one hundred seventeen million, two hundred twenty-eight thousand, three hundred eighty-nine".