52666205 has 16 divisors (see below), whose sum is σ = 66165120. Its totient is φ = 40168128.

The previous prime is 52666193. The next prime is 52666261. The reversal of 52666205 is 50266625.

It is a cyclic number.

It is not a de Polignac number, because 52666205 - 2⁴ = 52666189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47639 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (4135320).

Almost surely, 2^52666205 is an apocalyptic number.

It is an amenable number.

52666205 is a deficient number, since it is larger than the sum of its proper divisors (13498915).

52666205 is a wasteful number, since it uses less digits than its factorization.

52666205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 52666205 is about 7257.1485447109. The cubic root of 52666205 is about 374.8383421732.

It can be divided in two parts, 5266620 and 5, that added together give a palindrome (5266625).

The spelling of 52666205 in words is "fifty-two million, six hundred sixty-six thousand, two hundred five".