53284480 has 32 divisors (see below), whose sum is σ = 127384740. Its totient is φ = 21313536.

The previous prime is 53284471. The next prime is 53284487. The reversal of 53284480 is 8448235.

It can be written as a sum of positive squares in 2 ways, for example, as 52186176 + 1098304 = 7224^2 + 1048^2 .

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

It is not an unprimeable number, because it can be changed into a prime (53284487) 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, 40989 + ... + 42268.

Almost surely, 2^53284480 is an apocalyptic number.

It is an amenable number.

53284480 is an abundant number, since it is smaller than the sum of its proper divisors (74100260).

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

53284480 is an equidigital number, since it uses as much as digits as its factorization.

53284480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83276 (or 83264 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 53284480 is about 7299.6219080169. The cubic root of 53284480 is about 376.2994445750.

The spelling of 53284480 in words is "fifty-three million, two hundred eighty-four thousand, four hundred eighty".