52372320 has 384 divisors, whose sum is σ = 223534080. Its totient is φ = 9953280.

The previous prime is 52372297. The next prime is 52372349. The reversal of 52372320 is 2327325.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 480426 + ... + 480534.

It is an arithmetic number, because the mean of its divisors is an integer number (582120).

Almost surely, 2^52372320 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 52372320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111767040).

52372320 is an abundant number, since it is smaller than the sum of its proper divisors (171161760).

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

52372320 is a wasteful number, since it uses less digits than its factorization.

52372320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 52372320 is about 7236.8722525688. The cubic root of 52372320 is about 374.1398239901.

Adding to 52372320 its reverse (2327325), we get a palindrome (54699645).

It can be divided in two parts, 5237 and 2320, that added together give a palindrome (7557).

The spelling of 52372320 in words is "fifty-two million, three hundred seventy-two thousand, three hundred twenty".