52331663 has 4 divisors (see below), whose sum is σ = 52811880. Its totient is φ = 51851448.

The previous prime is 52331651. The next prime is 52331683. The reversal of 52331663 is 36613325.

It is a happy number.

52331663 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 is a cyclic number.

It is not a de Polignac number, because 52331663 - 2⁶ = 52331599 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 (52331603) 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, 239945 + ... + 240162.

It is an arithmetic number, because the mean of its divisors is an integer number (13202970).

Almost surely, 2^52331663 is an apocalyptic number.

52331663 is a deficient number, since it is larger than the sum of its proper divisors (480217).

52331663 is a wasteful number, since it uses less digits than its factorization.

52331663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480216.

The product of its digits is 9720, while the sum is 29.

The square root of 52331663 is about 7234.0626898030. The cubic root of 52331663 is about 374.0429831350.

Adding to 52331663 its reverse (36613325), we get a palindrome (88944988).

The spelling of 52331663 in words is "fifty-two million, three hundred thirty-one thousand, six hundred sixty-three".