52352247 has 8 divisors (see below), whose sum is σ = 69843456. Its totient is φ = 34881272.

The previous prime is 52352243. The next prime is 52352249. The reversal of 52352247 is 74225325.

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

It is a cyclic number.

It is not a de Polignac number, because 52352247 - 2² = 52352243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52352243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (8730432).

Almost surely, 2^52352247 is an apocalyptic number.

52352247 is a deficient number, since it is larger than the sum of its proper divisors (17491209).

52352247 is a wasteful number, since it uses less digits than its factorization.

52352247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10117.

The product of its digits is 16800, while the sum is 30.

The square root of 52352247 is about 7235.4852636157. The cubic root of 52352247 is about 374.0920184040.

The spelling of 52352247 in words is "fifty-two million, three hundred fifty-two thousand, two hundred forty-seven".