Ten whole numbers round to 50, if you include 50 itself which requires no rounding.
Look between 45 and 54
45 to 54
Numbers 0 to 4 round down; 5 to 9 round up. 54 rounds to 50. 55 rounds to 60. So 50 rounds to 100.
vfhfnhhfbngfbtrgbnfnghbewhrfggjbnedjfgnejfgbngjbnfdjbnrfhgbfjb rfjvunfejfvnrbjfrngvbrwhfvbfjvnrjbngjgnrfgjntgbhjhnytjgtgnbgtjgbngjbnbjgbmtmggkhttjehngnjbngjbngnjbngnjbjygnjhjnkhgknjetdgn nvnbgjnbfnjngjbngjngnbvjngmngnmnhgnmngfrvbn gfgbnhrefhnvwqfngfewqdfgewqfbn gfwqb gfwqbv gfdq
45 to 54
Whole numbers: 45, 46, 47, 48, 49, 50, 51, 52, 53, 54
Ten whole numbers round to 50, if you include 50 itself which requires no rounding.
50
45 and 54
Look between 45 and 54
45 to 54
Anything from 50 to 99
Numbers 0 to 4 round down; 5 to 9 round up. 54 rounds to 50. 55 rounds to 60. So 50 rounds to 100.
vfhfnhhfbngfbtrgbnfnghbewhrfggjbnedjfgnejfgbngjbnfdjbnrfhgbfjb rfjvunfejfvnrbjfrngvbrwhfvbfjvnrjbngjgnrfgjntgbhjhnytjgtgnbgtjgbngjbnbjgbmtmggkhttjehngnjbngjbngnjbngnjbjygnjhjnkhgknjetdgn nvnbgjnbfnjngjbngjngnbvjngmngnmnhgnmngfrvbn gfgbnhrefhnvwqfngfewqdfgewqfbn gfwqb gfwqbv gfdq
600
There are infinite numbers but if you mean integers then they are 45 46 47 48 and 49