53318652 has 12 divisors (see below), whose sum is σ = 124410216. Its totient is φ = 17772880.

The previous prime is 53318651. The next prime is 53318659. The reversal of 53318652 is 25681335.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53318651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2221599 + ... + 2221622.

It is an arithmetic number, because the mean of its divisors is an integer number (10367518).

Almost surely, 2^53318652 is an apocalyptic number.

It is an amenable number.

53318652 is an abundant number, since it is smaller than the sum of its proper divisors (71091564).

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

53318652 is a wasteful number, since it uses less digits than its factorization.

53318652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443228 (or 4443226 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 53318652 is about 7301.9622020386. The cubic root of 53318652 is about 376.3798692236.

Adding to 53318652 its reverse (25681335), we get a palindrome (78999987).

The spelling of 53318652 in words is "fifty-three million, three hundred eighteen thousand, six hundred fifty-two".