53115288 has 16 divisors (see below), whose sum is σ = 132788280. Its totient is φ = 17705088.

The previous prime is 53115287. The next prime is 53115299. The reversal of 53115288 is 88251135.

It is a happy number.

53115288 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 (53115287) 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 3 ways as a sum of consecutive naturals, for example, 1106545 + ... + 1106592.

Almost surely, 2^53115288 is an apocalyptic number.

It is an amenable number.

53115288 is an abundant number, since it is smaller than the sum of its proper divisors (79672992).

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

53115288 is a wasteful number, since it uses less digits than its factorization.

53115288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213146 (or 2213142 counting only the distinct ones).

The product of its digits is 9600, while the sum is 33.

The square root of 53115288 is about 7288.0236004009. The cubic root of 53115288 is about 375.9007396051.

The spelling of 53115288 in words is "fifty-three million, one hundred fifteen thousand, two hundred eighty-eight".