53516288 has 48 divisors (see below), whose sum is σ = 122325840. Its totient is φ = 22929408.

The previous prime is 53516279. The next prime is 53516291. The reversal of 53516288 is 88261535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12470 + ... + 16202.

It is an arithmetic number, because the mean of its divisors is an integer number (2548455).

Almost surely, 2^53516288 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 53516288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61162920).

53516288 is an abundant number, since it is smaller than the sum of its proper divisors (68809552).

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

53516288 is an equidigital number, since it uses as much as digits as its factorization.

53516288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3762 (or 3742 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 53516288 is about 7315.4827591896. The cubic root of 53516288 is about 376.8443376528.

The spelling of 53516288 in words is "fifty-three million, five hundred sixteen thousand, two hundred eighty-eight".