53522216 has 16 divisors (see below), whose sum is σ = 109477440. Its totient is φ = 24328240.

The previous prime is 53522207. The next prime is 53522267. The reversal of 53522216 is 61222535.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304016 + ... + 304191.

It is an arithmetic number, because the mean of its divisors is an integer number (6842340).

Almost surely, 2^53522216 is an apocalyptic number.

It is an amenable number.

53522216 is an abundant number, since it is smaller than the sum of its proper divisors (55955224).

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

53522216 is a wasteful number, since it uses less digits than its factorization.

53522216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608224 (or 608220 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 53522216 is about 7315.8879160359. The cubic root of 53522216 is about 376.8582514900.

The spelling of 53522216 in words is "fifty-three million, five hundred twenty-two thousand, two hundred sixteen".