53933616 has 120 divisors (see below), whose sum is σ = 167132160. Its totient is φ = 16099200.

The previous prime is 53933599. The next prime is 53933623. The reversal of 53933616 is 61633935.

53933616 is a `hidden beast` number, since 5 + 3 + 9 + 33 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 124921 + ... + 125351.

It is an arithmetic number, because the mean of its divisors is an integer number (1392768).

Almost surely, 2^53933616 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 53933616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83566080).

53933616 is an abundant number, since it is smaller than the sum of its proper divisors (113198544).

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

53933616 is a wasteful number, since it uses less digits than its factorization.

53933616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 526 counting only the distinct ones).

The product of its digits is 43740, while the sum is 36.

The square root of 53933616 is about 7343.9509802286. The cubic root of 53933616 is about 377.8213651617.

It can be divided in two parts, 5393 and 3616, that added together give a palindrome (9009).

The spelling of 53933616 in words is "fifty-three million, nine hundred thirty-three thousand, six hundred sixteen".