53313624 has 192 divisors, whose sum is σ = 181708800. Its totient is φ = 13747968.

The previous prime is 53313619. The next prime is 53313641. The reversal of 53313624 is 42631335.

It is a happy number.

53313624 is a `hidden beast` number, since 5 + 3 + 31 + 3 + 624 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 517557 + ... + 517659.

It is an arithmetic number, because the mean of its divisors is an integer number (946400).

Almost surely, 2^53313624 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 53313624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90854400).

53313624 is an abundant number, since it is smaller than the sum of its proper divisors (128395176).

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

53313624 is a wasteful number, since it uses less digits than its factorization.

53313624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 207 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 53313624 is about 7301.6179029034. The cubic root of 53313624 is about 376.3680378575.

Adding to 53313624 its reverse (42631335), we get a palindrome (95944959).

The spelling of 53313624 in words is "fifty-three million, three hundred thirteen thousand, six hundred twenty-four".