44055521645621 has 8 divisors (see below), whose sum is σ = 46374475252320. Its totient is φ = 41736592233072.

The previous prime is 44055521645599. The next prime is 44055521645657. The reversal of 44055521645621 is 12654612555044.

It is a happy number.

44055521645621 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 a de Polignac number, because none of the positive numbers 2^k-44055521645621 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 44055521645621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44055521645671) 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, 2249675 + ... + 9652568.

It is an arithmetic number, because the mean of its divisors is an integer number (5796809406540).

Almost surely, 2^{44055521645621} is an apocalyptic number.

It is an amenable number.

44055521645621 is a deficient number, since it is larger than the sum of its proper divisors (2318953606699).

44055521645621 is a wasteful number, since it uses less digits than its factorization.

44055521645621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097075.

The product of its (nonzero) digits is 5760000, while the sum is 50.

The spelling of 44055521645621 in words is "forty-four trillion, fifty-five billion, five hundred twenty-one million, six hundred forty-five thousand, six hundred twenty-one".