53026320 has 80 divisors (see below), whose sum is σ = 165971520. Its totient is φ = 14003712.

The previous prime is 53026319. The next prime is 53026327. The reversal of 53026320 is 2362035.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×53026320² = 5623581225484800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53026327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25147 + ... + 27173.

It is an arithmetic number, because the mean of its divisors is an integer number (2074644).

Almost surely, 2^53026320 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 53026320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82985760).

53026320 is an abundant number, since it is smaller than the sum of its proper divisors (112945200).

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

53026320 is a wasteful number, since it uses less digits than its factorization.

53026320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53026320 is about 7281.9173299345. The cubic root of 53026320 is about 375.6907446548.

Adding to 53026320 its reverse (2362035), we get a palindrome (55388355).

The spelling of 53026320 in words is "fifty-three million, twenty-six thousand, three hundred twenty".