52320044 has 36 divisors (see below), whose sum is σ = 107193744. Its totient is φ = 22278816.

The previous prime is 52320029. The next prime is 52320061. The reversal of 52320044 is 44002325.

It is a junction number, because it is equal to n+sod(n) for n = 52319998 and 52320025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33137 + ... + 34679.

It is an arithmetic number, because the mean of its divisors is an integer number (2977604).

Almost surely, 2^52320044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52320044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53596872).

52320044 is an abundant number, since it is smaller than the sum of its proper divisors (54873700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52320044 is a wasteful number, since it uses less digits than its factorization.

52320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734 (or 1725 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 52320044 is about 7233.2595695164. The cubic root of 52320044 is about 374.0152986393.

Adding to 52320044 its reverse (44002325), we get a palindrome (96322369).

The spelling of 52320044 in words is "fifty-two million, three hundred twenty thousand, forty-four".