52232320 has 128 divisors (see below), whose sum is σ = 145411200. Its totient is φ = 17571840.

The previous prime is 52232317. The next prime is 52232339. The reversal of 52232320 is 2323225.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398655 + ... + 398785.

It is an arithmetic number, because the mean of its divisors is an integer number (1136025).

Almost surely, 2^52232320 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 52232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72705600).

52232320 is an abundant number, since it is smaller than the sum of its proper divisors (93178880).

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

52232320 is a wasteful number, since it uses less digits than its factorization.

52232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 52232320 is about 7227.1930927574. The cubic root of 52232320 is about 373.8061469770.

Adding to 52232320 its reverse (2323225), we get a palindrome (54555545).

The spelling of 52232320 in words is "fifty-two million, two hundred thirty-two thousand, three hundred twenty".