52206347 has 4 divisors (see below), whose sum is σ = 52343040. Its totient is φ = 52069656.

The previous prime is 52206317. The next prime is 52206353. The reversal of 52206347 is 74360225.

52206347 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 52206347 - 2⁶ = 52206283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52206317) 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, 67772 + ... + 68537.

It is an arithmetic number, because the mean of its divisors is an integer number (13085760).

Almost surely, 2^52206347 is an apocalyptic number.

52206347 is a deficient number, since it is larger than the sum of its proper divisors (136693).

52206347 is a wasteful number, since it uses less digits than its factorization.

52206347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136692.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 52206347 is about 7225.3959753082. The cubic root of 52206347 is about 373.7441771929.

The spelling of 52206347 in words is "fifty-two million, two hundred six thousand, three hundred forty-seven".