52665211 has 4 divisors (see below), whose sum is σ = 52870392. Its totient is φ = 52460032.

The previous prime is 52665209. The next prime is 52665227. The reversal of 52665211 is 11256625.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52665211 - 2¹ = 52665209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52665211.

It is not an unprimeable number, because it can be changed into a prime (52665281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102205 + ... + 102718.

It is an arithmetic number, because the mean of its divisors is an integer number (13217598).

Almost surely, 2^52665211 is an apocalyptic number.

52665211 is a deficient number, since it is larger than the sum of its proper divisors (205181).

52665211 is a wasteful number, since it uses less digits than its factorization.

52665211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205180.

The product of its digits is 3600, while the sum is 28.

The square root of 52665211 is about 7257.0800601895. The cubic root of 52665211 is about 374.8359839775.

The spelling of 52665211 in words is "fifty-two million, six hundred sixty-five thousand, two hundred eleven".