52332661 has 4 divisors (see below), whose sum is σ = 52500172. Its totient is φ = 52165152.

The previous prime is 52332641. The next prime is 52332691. The reversal of 52332661 is 16623325.

52332661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12567025 + 39765636 = 3545^2 + 6306^2 .

It is a cyclic number.

It is not a de Polignac number, because 52332661 - 2¹⁵ = 52299893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52332611) 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 in 3 ways as a sum of consecutive naturals, for example, 83286 + ... + 83911.

It is an arithmetic number, because the mean of its divisors is an integer number (13125043).

Almost surely, 2^52332661 is an apocalyptic number.

It is an amenable number.

52332661 is a deficient number, since it is larger than the sum of its proper divisors (167511).

52332661 is a wasteful number, since it uses less digits than its factorization.

52332661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167510.

The product of its digits is 6480, while the sum is 28.

The square root of 52332661 is about 7234.1316686939. The cubic root of 52332661 is about 374.0453608703.

Adding to 52332661 its reverse (16623325), we get a palindrome (68955986).

The spelling of 52332661 in words is "fifty-two million, three hundred thirty-two thousand, six hundred sixty-one".