53818 has 8 divisors (see below), whose sum is σ = 82080. Its totient is φ = 26460.

The previous prime is 53813. The next prime is 53819. The reversal of 53818 is 81835.

53818 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 junction number, because it is equal to n+sod(n) for n = 53792 and 53801.

It is not an unprimeable number, because it can be changed into a prime (53813) 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, 48 + ... + 331.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2⁵³⁸¹⁸ is an apocalyptic number.

53818 is a deficient number, since it is larger than the sum of its proper divisors (28262).

53818 is a wasteful number, since it uses less digits than its factorization.

53818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 960, while the sum is 25.

The square root of 53818 is about 231.9870686051. The cubic root of 53818 is about 37.7551196951.

The spelling of 53818 in words is "fifty-three thousand, eight hundred eighteen".