You would say cincuenta y siete!
It is: 57 = LVII
It is: 57/1000 and as a decimal it is 0.057
It is: 57% = 57/100 which can't be reduced any further
8/57 = 0.140351 (rounded).
21/57 = 7/19
57: Cincuenta y siete
57 = cincuenta y siete
57 = fifty-seven
It is: 57 = LVII
57% = 0.57
It is: 57/1000 and as a decimal it is 0.057
3 x 19 = 57
57 in Roman numerals is LVII
5.7 is 57 tenths.
It is: 57% = 57/100 which can't be reduced any further
cincuenta y siete
+57