53480320 has 32 divisors (see below), whose sum is σ = 127852920. Its totient is φ = 21391872.

The previous prime is 53480309. The next prime is 53480327. The reversal of 53480320 is 2308435.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53480327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41142 + ... + 42421.

Almost surely, 2^53480320 is an apocalyptic number.

It is an amenable number.

53480320 is an abundant number, since it is smaller than the sum of its proper divisors (74372600).

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

53480320 is an equidigital number, since it uses as much as digits as its factorization.

53480320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83582 (or 83570 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 53480320 is about 7313.0239983197. The cubic root of 53480320 is about 376.7598937363.

Adding to 53480320 its reverse (2308435), we get a palindrome (55788755).

The spelling of 53480320 in words is "fifty-three million, four hundred eighty thousand, three hundred twenty".