53635320 has 96 divisors (see below), whose sum is σ = 175219200. Its totient is φ = 14228736.

The previous prime is 53635261. The next prime is 53635327. The reversal of 53635320 is 2353635.

53635320 is a `hidden beast` number, since 5 + 3 + 635 + 3 + 20 = 666.

53635320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53635327) by changing a digit.

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, 137686 + ... + 138074.

It is an arithmetic number, because the mean of its divisors is an integer number (1825200).

Almost surely, 2^53635320 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 53635320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87609600).

53635320 is an abundant number, since it is smaller than the sum of its proper divisors (121583880).

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

53635320 is a wasteful number, since it uses less digits than its factorization.

53635320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 27.

The square root of 53635320 is about 7323.6138620219. The cubic root of 53635320 is about 377.1235256719.

Adding to 53635320 its reverse (2353635), we get a palindrome (55988955).

The spelling of 53635320 in words is "fifty-three million, six hundred thirty-five thousand, three hundred twenty".