In this task you will be given a list of numbers. You should remove any number that is not an integer (whole number). If every number is not an whole number then an empty list ("[]") should be returned. Otherwise, answer with the list of whole numbers separated by comma inside brackets.
[20.137, -1.061, -54, -9.139, 2.732, 47, 24.539, 13.553, -17.067, 6.089, 43]