52730288 has 40 divisors (see below), whose sum is σ = 111451200. Its totient is φ = 24021504.

The previous prime is 52730281. The next prime is 52730303. The reversal of 52730288 is 88203725.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52730281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14828 + ... + 18036.

It is an arithmetic number, because the mean of its divisors is an integer number (2786280).

Almost surely, 2^52730288 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 52730288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55725600).

52730288 is an abundant number, since it is smaller than the sum of its proper divisors (58720912).

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

52730288 is a wasteful number, since it uses less digits than its factorization.

52730288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3309 (or 3303 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 52730288 is about 7261.5623663231. The cubic root of 52730288 is about 374.9903120460.

The spelling of 52730288 in words is "fifty-two million, seven hundred thirty thousand, two hundred eighty-eight".