44993555521 has 8 divisors (see below), whose sum is σ = 45121801280. Its totient is φ = 44865385488.

The previous prime is 44993555501. The next prime is 44993555543. The reversal of 44993555521 is 12555539944.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44993555521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44993555501) 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 7 ways as a sum of consecutive naturals, for example, 1300570 + ... + 1334716.

It is an arithmetic number, because the mean of its divisors is an integer number (5640225160).

Almost surely, 2^44993555521 is an apocalyptic number.

It is an amenable number.

44993555521 is a deficient number, since it is larger than the sum of its proper divisors (128245759).

44993555521 is a wasteful number, since it uses less digits than its factorization.

44993555521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37863.

The product of its digits is 4860000, while the sum is 52.

The spelling of 44993555521 in words is "forty-four billion, nine hundred ninety-three million, five hundred fifty-five thousand, five hundred twenty-one".