52687946 has 8 divisors (see below), whose sum is σ = 79168320. Its totient is φ = 26298508.

The previous prime is 52687939. The next prime is 52687949. The reversal of 52687946 is 64978625.

52687946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 52687946.

It is not an unprimeable number, because it can be changed into a prime (52687949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21266 + ... + 23613.

It is an arithmetic number, because the mean of its divisors is an integer number (9896040).

Almost surely, 2^52687946 is an apocalyptic number.

52687946 is a deficient number, since it is larger than the sum of its proper divisors (26480374).

52687946 is a wasteful number, since it uses less digits than its factorization.

52687946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45468.

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

The square root of 52687946 is about 7258.6462925259. The cubic root of 52687946 is about 374.8899137600.

The spelling of 52687946 in words is "fifty-two million, six hundred eighty-seven thousand, nine hundred forty-six".