44885521 has 4 divisors (see below), whose sum is σ = 45282852. Its totient is φ = 44488192.

The previous prime is 44885513. The next prime is 44885531. The reversal of 44885521 is 12558844.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11696400 + 33189121 = 3420^2 + 5761^2 .

It is a cyclic number.

It is not a de Polignac number, because 44885521 - 2³ = 44885513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44885531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198496 + ... + 198721.

It is an arithmetic number, because the mean of its divisors is an integer number (11320713).

Almost surely, 2^44885521 is an apocalyptic number.

It is an amenable number.

44885521 is a deficient number, since it is larger than the sum of its proper divisors (397331).

44885521 is a wasteful number, since it uses less digits than its factorization.

44885521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397330.

The product of its digits is 51200, while the sum is 37.

The square root of 44885521 is about 6699.6657379305. The cubic root of 44885521 is about 355.3874523963.

The spelling of 44885521 in words is "forty-four million, eight hundred eighty-five thousand, five hundred twenty-one".