52853947 has 4 divisors (see below), whose sum is σ = 52885096. Its totient is φ = 52822800.

The previous prime is 52853903. The next prime is 52853959. The reversal of 52853947 is 74935825.

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 52853947 - 2¹¹ = 52851899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52853987) 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, 12873 + ... + 16474.

It is an arithmetic number, because the mean of its divisors is an integer number (13221274).

Almost surely, 2^52853947 is an apocalyptic number.

52853947 is a deficient number, since it is larger than the sum of its proper divisors (31149).

52853947 is a wasteful number, since it uses less digits than its factorization.

52853947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31148.

The product of its digits is 302400, while the sum is 43.

The square root of 52853947 is about 7270.0720078965. The cubic root of 52853947 is about 375.2832159753.

It can be divided in two parts, 5285394 and 7, that added together give a square (5285401 = 2299²).

The spelling of 52853947 in words is "fifty-two million, eight hundred fifty-three thousand, nine hundred forty-seven".