53238912 has 64 divisors (see below), whose sum is σ = 148879200. Its totient is φ = 16809984.

The previous prime is 53238907. The next prime is 53238919. The reversal of 53238912 is 21983235.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (53238919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3648 + ... + 10944.

Almost surely, 2^53238912 is an apocalyptic number.

It is a pronic number, being equal to 7296×7297.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53238912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74439600).

53238912 is an abundant number, since it is smaller than the sum of its proper divisors (95640288).

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

53238912 is a wasteful number, since it uses less digits than its factorization.

53238912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333 (or 7321 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 53238912 is about 7296.4999828685. The cubic root of 53238912 is about 376.1921456428.

The spelling of 53238912 in words is "fifty-three million, two hundred thirty-eight thousand, nine hundred twelve".