53320 is nontrivially palindromic in base 11.
It is a nialpdrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 53320.
53320 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
253320 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 53320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53320 is a wasteful number, since it uses less digits than its factorization.
53320 is an odious number, because the sum of its binary digits is odd.
The square root of 53320 is about 230.9112383579. The cubic root of 53320 is about 37.6383041070.
Adding to 53320 its reverse (2335), we get a palindrome (55655).
The spelling of 53320 in words is "fifty-three thousand, three hundred twenty".