44052539 has 4 divisors (see below), whose sum is σ = 44191824. Its totient is φ = 43913256.

The previous prime is 44052509. The next prime is 44052557. The reversal of 44052539 is 93525044.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 44052539 - 2¹² = 44048443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44052509) 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, 69167 + ... + 69800.

It is an arithmetic number, because the mean of its divisors is an integer number (11047956).

Almost surely, 2^44052539 is an apocalyptic number.

44052539 is a deficient number, since it is larger than the sum of its proper divisors (139285).

44052539 is a wasteful number, since it uses less digits than its factorization.

44052539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139284.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 44052539 is about 6637.2086753394. The cubic root of 44052539 is about 353.1752935284.

The spelling of 44052539 in words is "forty-four million, fifty-two thousand, five hundred thirty-nine".