52418 has 4 divisors (see below), whose sum is σ = 78630. Its totient is φ = 26208.

The previous prime is 52391. The next prime is 52433. The reversal of 52418 is 81425.

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

It can be written as a sum of positive squares in only one way, i.e., 47089 + 5329 = 217^2 + 73^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 52418.

It is an unprimeable number.

52418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13103 + ... + 13106.

2⁵²⁴¹⁸ is an apocalyptic number.

52418 is a deficient number, since it is larger than the sum of its proper divisors (26212).

52418 is a wasteful number, since it uses less digits than its factorization.

52418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26211.

The product of its digits is 320, while the sum is 20.

The square root of 52418 is about 228.9497761519. The cubic root of 52418 is about 37.4248569352.

It can be divided in two parts, 52 and 418, that multiplied together give a triangular number (21736 = T₂₀₈).

The spelling of 52418 in words is "fifty-two thousand, four hundred eighteen".