52847147 has 4 divisors (see below), whose sum is σ = 52866240. Its totient is φ = 52828056.

The previous prime is 52847141. The next prime is 52847149. The reversal of 52847147 is 74174825.

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 52847147 - 2⁶ = 52847083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52847147.

It is not an unprimeable number, because it can be changed into a prime (52847141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4508 + ... + 11225.

It is an arithmetic number, because the mean of its divisors is an integer number (13216560).

Almost surely, 2^52847147 is an apocalyptic number.

52847147 is a deficient number, since it is larger than the sum of its proper divisors (19093).

52847147 is a wasteful number, since it uses less digits than its factorization.

52847147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19092.

The product of its digits is 62720, while the sum is 38.

The square root of 52847147 is about 7269.6043221072. The cubic root of 52847147 is about 375.2671210858.

The spelling of 52847147 in words is "fifty-two million, eight hundred forty-seven thousand, one hundred forty-seven".