53388828 has 24 divisors (see below), whose sum is σ = 138415760. Its totient is φ = 17796240.

The previous prime is 53388821. The next prime is 53388887. The reversal of 53388828 is 82888335.

53388828 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 (53388821) 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 7 ways as a sum of consecutive naturals, for example, 247063 + ... + 247278.

Almost surely, 2^53388828 is an apocalyptic number.

It is an amenable number.

53388828 is an abundant number, since it is smaller than the sum of its proper divisors (85026932).

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

53388828 is a wasteful number, since it uses less digits than its factorization.

53388828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494354 (or 494346 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 53388828 is about 7306.7659056521. The cubic root of 53388828 is about 376.5449224981.

It can be divided in two parts, 5 and 3388828, that added together give a palindrome (3388833).

The spelling of 53388828 in words is "fifty-three million, three hundred eighty-eight thousand, eight hundred twenty-eight".