44533989 has 16 divisors (see below), whose sum is σ = 66268800. Its totient is φ = 29557728.

The previous prime is 44533987. The next prime is 44533997. The reversal of 44533989 is 98933544.

It is a happy number.

44533989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44533989 - 2¹ = 44533987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44533987) 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 15 ways as a sum of consecutive naturals, for example, 2752 + ... + 9830.

It is an arithmetic number, because the mean of its divisors is an integer number (4141800).

Almost surely, 2^44533989 is an apocalyptic number.

It is an amenable number.

44533989 is a deficient number, since it is larger than the sum of its proper divisors (21734811).

44533989 is a wasteful number, since it uses less digits than its factorization.

44533989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321 (or 7315 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 44533989 is about 6673.3791290470. The cubic root of 44533989 is about 354.4572517007.

The spelling of 44533989 in words is "forty-four million, five hundred thirty-three thousand, nine hundred eighty-nine".