52352320 has 28 divisors (see below), whose sum is σ = 124664724. Its totient is φ = 20940800.

The previous prime is 52352317. The next prime is 52352327. The reversal of 52352320 is 2325325.

It can be written as a sum of positive squares in 2 ways, for example, as 26708224 + 25644096 = 5168^2 + 5064^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52352291 and 52352300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52352327) 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, 81481 + ... + 82120.

Almost surely, 2^52352320 is an apocalyptic number.

It is an amenable number.

52352320 is an abundant number, since it is smaller than the sum of its proper divisors (72312404).

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

52352320 is a wasteful number, since it uses less digits than its factorization.

52352320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163618 (or 163608 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 52352320 is about 7235.4903081961. The cubic root of 52352320 is about 374.0921922819.

Adding to 52352320 its reverse (2325325), we get a palindrome (54677645).

The spelling of 52352320 in words is "fifty-two million, three hundred fifty-two thousand, three hundred twenty".