It is a semiprime because it is the product of two primes.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 53678.
It is a congruent number.
It is an unprimeable number.
253678 is an apocalyptic number.
53678 is a wasteful number, since it uses less digits than its factorization.
53678 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26841.
The square root of 53678 is about 231.6851311586. The cubic root of 53678 is about 37.7223530449.
The spelling of 53678 in words is "fifty-three thousand, six hundred seventy-eight".