52288668 has 36 divisors (see below), whose sum is σ = 139950720. Its totient is φ = 16404096.

The previous prime is 52288633. The next prime is 52288673. The reversal of 52288668 is 86688225.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42108 + ... + 43331.

It is an arithmetic number, because the mean of its divisors is an integer number (3887520).

Almost surely, 2^52288668 is an apocalyptic number.

It is an amenable number.

52288668 is an abundant number, since it is smaller than the sum of its proper divisors (87662052).

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

52288668 is a wasteful number, since it uses less digits than its factorization.

52288668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85466 (or 85461 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 52288668 is about 7231.0903742105. The cubic root of 52288668 is about 373.9405188180.

The spelling of 52288668 in words is "fifty-two million, two hundred eighty-eight thousand, six hundred sixty-eight".