A moment ago, I uploaded the 'bitwise-ops' package. It's a very small module that simply aliases the Racket bitwise functions to use the symbolic names from other languages.
<< arithmetic-shift (i.e. left shift) >> arithmetic-shift, but negates the second argument (i.e. right shift) & bitwise-and ^ bitwise-xor bor bitwise-ior (ordinarily |, but that's a special character for Racket's reader) ~ bitwise-not