53280216 has 48 divisors (see below), whose sum is σ = 157421160. Its totient is φ = 16145280.

The previous prime is 53280203. The next prime is 53280223. The reversal of 53280216 is 61208235.

It is a self number, because there is not a number n which added to its sum of digits gives 53280216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32845 + ... + 34428.

Almost surely, 2^53280216 is an apocalyptic number.

It is an amenable number.

53280216 is an abundant number, since it is smaller than the sum of its proper divisors (104140944).

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

53280216 is a wasteful number, since it uses less digits than its factorization.

53280216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67296 (or 67289 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 53280216 is about 7299.3298322517. The cubic root of 53280216 is about 376.2894067326.

The spelling of 53280216 in words is "fifty-three million, two hundred eighty thousand, two hundred sixteen".