Il numero 551, cinquecentocinquantuno in Italiano, in Inglese si dice five hundred fifty-one.
Il numero ordinale 551° in inglese si dice five hundred fifty-first.
542: five hundred forty-two
543: five hundred forty-three
544: five hundred forty-four
545: five hundred forty-five
546: five hundred forty-six
547: five hundred forty-seven
548: five hundred forty-eight
549: five hundred forty-nine
550: five hundred fifty
552: five hundred fifty-two
553: five hundred fifty-three
554: five hundred fifty-four
555: five hundred fifty-five
556: five hundred fifty-six
557: five hundred fifty-seven
558: five hundred fifty-eight
559: five hundred fifty-nine
560: five hundred sixty