52280188 has 12 divisors (see below), whose sum is σ = 91636272. Its totient is φ = 26098400.

The previous prime is 52280177. The next prime is 52280203. The reversal of 52280188 is 88108225.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7513 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (7636356).

Almost surely, 2^52280188 is an apocalyptic number.

It is an amenable number.

52280188 is a deficient number, since it is larger than the sum of its proper divisors (39356084).

52280188 is a wasteful number, since it uses less digits than its factorization.

52280188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20852 (or 20850 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 52280188 is about 7230.5039934987. The cubic root of 52280188 is about 373.9203029206.

The spelling of 52280188 in words is "fifty-two million, two hundred eighty thousand, one hundred eighty-eight".