Il numero romano MCLVII nel sistema decimale vale: 1157.
MCLVII in latino si scrive mille centum quinquaginta septem,
mentre in italiano millecentocinquantasette.
MCXXXVIII, MCXXXIX, MCXL, MCXLI, MCXLII, MCXLIII, MCXLIV, MCXLV, MCXLVI, MCXLVII, MCXLVIII, MCXLIX, MCL, MCLI, MCLII, MCLIII, MCLIV, MCLV, MCLVI, MCLVIII, MCLIX, MCLX, MCLXI, MCLXII, MCLXIII, MCLXIV, MCLXV, MCLXVI, MCLXVII, MCLXVIII, MCLXIX, MCLXX, MCLXXI, MCLXXII, MCLXXIII, MCLXXIV, MCLXXV, MCLXXVI