Subtracting from 51841 its product of digits (160), we obtain a triangular number (51681 = T321).
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14815 = 5 ⋅2963.
It is a cyclic number.
It is a Duffinian number.
It is a nialpdrome in base 16.
251841 is an apocalyptic number.
It is an amenable number.
51841 is a wasteful number, since it uses less digits than its factorization.
51841 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1150.
The square root of 51841 is about 227.6861875477. The cubic root of 51841 is about 37.2870298255.
The spelling of 51841 in words is "fifty-one thousand, eight hundred forty-one".