53333320 has 64 divisors (see below), whose sum is σ = 129600000. Its totient is φ = 19692288.

The previous prime is 53333311. The next prime is 53333321. The reversal of 53333320 is 2333335.

53333320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 53333291 and 53333300.

It is not an unprimeable number, because it can be changed into a prime (53333321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25681 + ... + 27679.

It is an arithmetic number, because the mean of its divisors is an integer number (2025000).

Almost surely, 2^53333320 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 53333320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64800000).

53333320 is an abundant number, since it is smaller than the sum of its proper divisors (76266680).

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

53333320 is a wasteful number, since it uses less digits than its factorization.

53333320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 22.

The square root of 53333320 is about 7302.9665205312. The cubic root of 53333320 is about 376.4143801845.

Adding to 53333320 its reverse (2333335), we get a palindrome (55666655).

The spelling of 53333320 in words is "fifty-three million, three hundred thirty-three thousand, three hundred twenty".