53250624 has 168 divisors, whose sum is σ = 178783488. Its totient is φ = 14837760.

The previous prime is 53250623. The next prime is 53250629. The reversal of 53250624 is 42605235.

53250624 is a `hidden beast` number, since 5 + 32 + 5 + 0 + 624 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53250623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 189364 + ... + 189644.

Almost surely, 2^53250624 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 53250624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89391744).

53250624 is an abundant number, since it is smaller than the sum of its proper divisors (125532864).

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

53250624 is a wasteful number, since it uses less digits than its factorization.

53250624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 53250624 is about 7297.3025153134. The cubic root of 53250624 is about 376.2197297237.

Adding to 53250624 its reverse (42605235), we get a palindrome (95855859).

The spelling of 53250624 in words is "fifty-three million, two hundred fifty thousand, six hundred twenty-four".