53080320 has 144 divisors (see below), whose sum is σ = 177190272. Its totient is φ = 13516800.

The previous prime is 53080289. The next prime is 53080327. The reversal of 53080320 is 2308035.

It is not an unprimeable number, because it can be changed into a prime (53080327) 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, 88020 + ... + 88620.

It is an arithmetic number, because the mean of its divisors is an integer number (1230488).

Almost surely, 2^53080320 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 53080320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88595136).

53080320 is an abundant number, since it is smaller than the sum of its proper divisors (124109952).

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

53080320 is a wasteful number, since it uses less digits than its factorization.

53080320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53080320 is about 7285.6242011237. The cubic root of 53080320 is about 375.8182311401.

Adding to 53080320 its reverse (2308035), we get a palindrome (55388355).

The spelling of 53080320 in words is "fifty-three million, eighty thousand, three hundred twenty".