55655 is nontrivially palindromic in base 4 and base 10.
It is a semiprime because it is the product of two primes.
It is a Duffinian number.
It is a zygodrome in base 3.
It is a congruent number.
It is an unprimeable number.
255655 is an apocalyptic number.
55655 is a wasteful number, since it uses less digits than its factorization.
55655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11136.
The square root of 55655 is about 235.9131196013. The cubic root of 55655 is about 38.1798949420.
The spelling of 55655 in words is "fifty-five thousand, six hundred fifty-five".