Using no digits other than 5 and 8, make a 6-digit number, that has the properties below. If it is impossible, write so. Of course you may use each digit more than once. A multiple of 11.
A six digit number that fits this criteria is 588588, for this number divided by 11 is a whole number, 53508. If you don't need to use both numbers, 555555 and 888888 also work as answers.
