Adding to 55896 its reverse (69855), we get a triangular number (125751 = T501).
55896 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
255896 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 55896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55896 is a wasteful number, since it uses less digits than its factorization.
55896 is an evil number, because the sum of its binary digits is even.
The square root of 55896 is about 236.4233491007. The cubic root of 55896 is about 38.2349250690.
The spelling of 55896 in words is "fifty-five thousand, eight hundred ninety-six".