52684218 has 24 divisors (see below), whose sum is σ = 114424128. Its totient is φ = 17519112.

The previous prime is 52684211. The next prime is 52684223. The reversal of 52684218 is 81248625.

It is not an unprimeable number, because it can be changed into a prime (52684211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4671 + ... + 11277.

It is an arithmetic number, because the mean of its divisors is an integer number (4767672).

Almost surely, 2^52684218 is an apocalyptic number.

52684218 is an abundant number, since it is smaller than the sum of its proper divisors (61739910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52684218 is a wasteful number, since it uses less digits than its factorization.

52684218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7058 (or 7055 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 52684218 is about 7258.3894907893. The cubic root of 52684218 is about 374.8810716201.

The spelling of 52684218 in words is "fifty-two million, six hundred eighty-four thousand, two hundred eighteen".