53183616 has 64 divisors (see below), whose sum is σ = 149597280. Its totient is φ = 16683008.

The previous prime is 53183609. The next prime is 53183617. The reversal of 53183616 is 61638135.

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

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53183617) 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, 2455 + ... + 10601.

Almost surely, 2^53183616 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 53183616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74798640).

53183616 is an abundant number, since it is smaller than the sum of its proper divisors (96413664).

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

53183616 is a wasteful number, since it uses less digits than its factorization.

53183616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181 (or 8169 counting only the distinct ones).

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

The square root of 53183616 is about 7292.7097844354. The cubic root of 53183616 is about 376.0618579381.

The spelling of 53183616 in words is "fifty-three million, one hundred eighty-three thousand, six hundred sixteen".