52847966 has 4 divisors (see below), whose sum is σ = 79271952. Its totient is φ = 26423982.

The previous prime is 52847959. The next prime is 52847969. The reversal of 52847966 is 66974825.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52847966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52847969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13211990 + ... + 13211993.

It is an arithmetic number, because the mean of its divisors is an integer number (19817988).

Almost surely, 2^52847966 is an apocalyptic number.

52847966 is a deficient number, since it is larger than the sum of its proper divisors (26423986).

52847966 is a wasteful number, since it uses less digits than its factorization.

52847966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26423985.

The product of its digits is 725760, while the sum is 47.

The square root of 52847966 is about 7269.6606523276. The cubic root of 52847966 is about 375.2690596463.

The spelling of 52847966 in words is "fifty-two million, eight hundred forty-seven thousand, nine hundred sixty-six".