52320120 has 64 divisors (see below), whose sum is σ = 158976000. Its totient is φ = 13772928.

The previous prime is 52320083. The next prime is 52320137. The reversal of 52320120 is 2102325.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 52320120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6721 + ... + 12239.

It is an arithmetic number, because the mean of its divisors is an integer number (2484000).

Almost surely, 2^52320120 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 52320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79488000).

52320120 is an abundant number, since it is smaller than the sum of its proper divisors (106655880).

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

52320120 is a wasteful number, since it uses less digits than its factorization.

52320120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612 (or 5608 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 52320120 is about 7233.2648230242. The cubic root of 52320120 is about 374.0154797371.

Adding to 52320120 its reverse (2102325), we get a palindrome (54422445).

The spelling of 52320120 in words is "fifty-two million, three hundred twenty thousand, one hundred twenty".