52866612 has 18 divisors (see below), whose sum is σ = 133635138. Its totient is φ = 17622192.

The previous prime is 52866577. The next prime is 52866629. The reversal of 52866612 is 21666825.

52866612 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., 34152336 + 18714276 = 5844^2 + 4326^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1468517 = 52866612 / (5 + 2 + 8 + 6 + 6 + 6 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

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 in 5 ways as a sum of consecutive naturals, for example, 734223 + ... + 734294.

Almost surely, 2^52866612 is an apocalyptic number.

It is an amenable number.

52866612 is an abundant number, since it is smaller than the sum of its proper divisors (80768526).

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

52866612 is a wasteful number, since it uses less digits than its factorization.

52866612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468527 (or 1468522 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 52866612 is about 7270.9429924873. The cubic root of 52866612 is about 375.3131890275.

The spelling of 52866612 in words is "fifty-two million, eight hundred sixty-six thousand, six hundred twelve".