52106247 has 24 divisors (see below), whose sum is σ = 81454464. Its totient is φ = 33223608.

The previous prime is 52106209. The next prime is 52106269. The reversal of 52106247 is 74260125.

It is not a de Polignac number, because 52106247 - 2⁶ = 52106183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 52106247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52106287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (3393936).

Almost surely, 2^52106247 is an apocalyptic number.

52106247 is a deficient number, since it is larger than the sum of its proper divisors (29348217).

52106247 is an equidigital number, since it uses as much as digits as its factorization.

52106247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361 (or 9349 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 52106247 is about 7218.4656957002. The cubic root of 52106247 is about 373.5051530716.

The spelling of 52106247 in words is "fifty-two million, one hundred six thousand, two hundred forty-seven".