52115906 has 8 divisors (see below), whose sum is σ = 80286780. Its totient is φ = 25353648.

The previous prime is 52115893. The next prime is 52115909. The reversal of 52115906 is 60951125.

52115906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 37100281 + 15015625 = 6091^2 + 3875^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52115909) 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, 352061 + ... + 352208.

Almost surely, 2^52115906 is an apocalyptic number.

52115906 is a deficient number, since it is larger than the sum of its proper divisors (28170874).

52115906 is a wasteful number, since it uses less digits than its factorization.

52115906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704308.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 52115906 is about 7219.1347126924. The cubic root of 52115906 is about 373.5282306844.

The spelling of 52115906 in words is "fifty-two million, one hundred fifteen thousand, nine hundred six".