44059581 has 12 divisors (see below), whose sum is σ = 63766300. Its totient is φ = 29315520.

The previous prime is 44059579. The next prime is 44059591. The reversal of 44059581 is 18595044.

44059581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 27657081 + 16402500 = 5259^2 + 4050^2 .

It is not a de Polignac number, because 44059581 - 2¹ = 44059579 is a prime.

It is a super-2 number, since 2×44059581² = 3882493355791122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44059501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 345 + ... + 9393.

Almost surely, 2^44059581 is an apocalyptic number.

It is an amenable number.

44059581 is a deficient number, since it is larger than the sum of its proper divisors (19706719).

44059581 is a wasteful number, since it uses less digits than its factorization.

44059581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9596 (or 9593 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 44059581 is about 6637.7391482341. The cubic root of 44059581 is about 353.1941114215.

The spelling of 44059581 in words is "forty-four million, fifty-nine thousand, five hundred eighty-one".