53388120 has 32 divisors (see below), whose sum is σ = 160164720. Its totient is φ = 14236800.

The previous prime is 53388113. The next prime is 53388197. The reversal of 53388120 is 2188335.

It is a happy number.

53388120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 222331 + ... + 222570.

Almost surely, 2^53388120 is an apocalyptic number.

It is an amenable number.

53388120 is an abundant number, since it is smaller than the sum of its proper divisors (106776600).

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

53388120 is a wasteful number, since it uses less digits than its factorization.

53388120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444915 (or 444911 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 53388120 is about 7306.7174572444. The cubic root of 53388120 is about 376.5432580114.

The spelling of 53388120 in words is "fifty-three million, three hundred eighty-eight thousand, one hundred twenty".