52866388 has 6 divisors (see below), whose sum is σ = 92516186. Its totient is φ = 26433192.

The previous prime is 52866383. The next prime is 52866389. The reversal of 52866388 is 88366825.

It is a happy number.

52866388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 12264004 = 6372^2 + 3502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52866383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6608295 + ... + 6608302.

Almost surely, 2^52866388 is an apocalyptic number.

It is an amenable number.

52866388 is a deficient number, since it is larger than the sum of its proper divisors (39649798).

52866388 is a wasteful number, since it uses less digits than its factorization.

52866388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13216601 (or 13216599 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 52866388 is about 7270.9275886918. The cubic root of 52866388 is about 375.3126589496.

The spelling of 52866388 in words is "fifty-two million, eight hundred sixty-six thousand, three hundred eighty-eight".