Question

if 1111=8
2222=24
3333=93
4444=272
then
5555=?

Answer 1

Except the first one, the trend observed is 

24 = $2^4 + sum(2+2+2+2)$
93 = $3^4 + sum(3+3+3+3)$
272 = $4^4 + sum(4+4+4+4)$

According to this, 5555 should give $5^4 + sum(5+5+5+5) = 645$