53302284 has 72 divisors (see below), whose sum is σ = 157597440. Its totient is φ = 14872032.

The previous prime is 53302231. The next prime is 53302289. The reversal of 53302284 is 48220335.

It is a super-2 number, since 2×53302284² = 5682266959233312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53302289) 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 23 ways as a sum of consecutive naturals, for example, 8377 + ... + 13295.

Almost surely, 2^53302284 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 53302284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78798720).

53302284 is an abundant number, since it is smaller than the sum of its proper divisors (104295156).

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

53302284 is a wasteful number, since it uses less digits than its factorization.

53302284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4979 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 53302284 is about 7300.8413213821. The cubic root of 53302284 is about 376.3413510192.

The spelling of 53302284 in words is "fifty-three million, three hundred two thousand, two hundred eighty-four".