44521785553 has 8 divisors (see below), whose sum is σ = 51123189440. Its totient is φ = 37980668880.

The previous prime is 44521785533. The next prime is 44521785559. The reversal of 44521785553 is 35558712544.

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

It is not a de Polignac number, because 44521785553 - 2⁵ = 44521785521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44521785497 and 44521785506.

It is not an unprimeable number, because it can be changed into a prime (44521785559) 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, 15070218 + ... + 15073171.

It is an arithmetic number, because the mean of its divisors is an integer number (6390398680).

Almost surely, 2^44521785553 is an apocalyptic number.

It is an amenable number.

44521785553 is a deficient number, since it is larger than the sum of its proper divisors (6601403887).

44521785553 is a wasteful number, since it uses less digits than its factorization.

44521785553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30143607.

The product of its digits is 3360000, while the sum is 49.

The spelling of 44521785553 in words is "forty-four billion, five hundred twenty-one million, seven hundred eighty-five thousand, five hundred fifty-three".