52532320 has 24 divisors (see below), whose sum is σ = 124107984. Its totient is φ = 21012864.

The previous prime is 52532317. The next prime is 52532327. The reversal of 52532320 is 2323525.

52532320 = 235² + 236² + ... + 554².

It is a junction number, because it is equal to n+sod(n) for n = 52532291 and 52532300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52532327) 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, 164004 + ... + 164323.

It is an arithmetic number, because the mean of its divisors is an integer number (5171166).

Almost surely, 2^52532320 is an apocalyptic number.

It is an amenable number.

52532320 is an abundant number, since it is smaller than the sum of its proper divisors (71575664).

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

52532320 is a wasteful number, since it uses less digits than its factorization.

52532320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328342 (or 328334 counting only the distinct ones).

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

The square root of 52532320 is about 7247.9183218356. The cubic root of 52532320 is about 374.5204418067.

Adding to 52532320 its reverse (2323525), we get a palindrome (54855845).

The spelling of 52532320 in words is "fifty-two million, five hundred thirty-two thousand, three hundred twenty".