53244216 has 96 divisors (see below), whose sum is σ = 152334000. Its totient is φ = 17418240.

The previous prime is 53244193. The next prime is 53244223. The reversal of 53244216 is 61244235.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53244216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118360 + ... + 118808.

Almost surely, 2^53244216 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 53244216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76167000).

53244216 is an abundant number, since it is smaller than the sum of its proper divisors (99089784).

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

53244216 is a wasteful number, since it uses less digits than its factorization.

53244216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 515 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 53244216 is about 7296.8634357510. The cubic root of 53244216 is about 376.2046381150.

The spelling of 53244216 in words is "fifty-three million, two hundred forty-four thousand, two hundred sixteen".