You can write it as 54 and 3/10 or 543/10.
543 over 1
27.15 as a fraction is 543/20.
543/1000
2.715:= 2715/1000 or 543/200 in improper fraction= 2 143/200 in mixed number
543
543 is not prime. 543 = 3 * 181
Yes, it can be expressed as a ratio of two integers: -1086 / 10 or -543/5
543
543
543 + 78900000 = 78900543
1 3 181 543.
198