52668305 has 4 divisors (see below), whose sum is σ = 63201972. Its totient is φ = 42134640.

The previous prime is 52668299. The next prime is 52668311. The reversal of 52668305 is 50386625.

52668305 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 an interprime number because it is at equal distance from previous prime (52668299) and next prime (52668311).

It can be written as a sum of positive squares in 2 ways, for example, as 18011536 + 34656769 = 4244^2 + 5887^2 .

It is not a de Polignac number, because 52668305 - 2⁶ = 52668241 is a prime.

It is a Duffinian number.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 5266826 + ... + 5266835.

It is an arithmetic number, because the mean of its divisors is an integer number (15800493).

Almost surely, 2^52668305 is an apocalyptic number.

It is an amenable number.

52668305 is a deficient number, since it is larger than the sum of its proper divisors (10533667).

52668305 is a wasteful number, since it uses less digits than its factorization.

52668305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533666.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 52668305 is about 7257.2932281947. The cubic root of 52668305 is about 374.8433241792.

The spelling of 52668305 in words is "fifty-two million, six hundred sixty-eight thousand, three hundred five".