53438625 has 24 divisors (see below), whose sum is σ = 96334056. Its totient is φ = 28500000.

The previous prime is 53438611. The next prime is 53438639. The reversal of 53438625 is 52683435.

It is a happy number.

53438625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53438611) and next prime (53438639).

It can be written as a sum of positive squares in 4 ways, for example, as 1468944 + 51969681 = 1212^2 + 7209^2 .

It is not a de Polignac number, because 53438625 - 2⁸ = 53438369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53438625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22626 + ... + 24875.

It is an arithmetic number, because the mean of its divisors is an integer number (4013919).

Almost surely, 2^53438625 is an apocalyptic number.

It is an amenable number.

53438625 is a deficient number, since it is larger than the sum of its proper divisors (42895431).

53438625 is a wasteful number, since it uses less digits than its factorization.

53438625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47522 (or 47509 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 53438625 is about 7310.1727065781. The cubic root of 53438625 is about 376.6619568506.

The spelling of 53438625 in words is "fifty-three million, four hundred thirty-eight thousand, six hundred twenty-five".