53.3÷0.23÷0.91×16.1÷0.82
=53.3÷0.82×（16.1÷0.23）÷0.91，
=65×70÷0.91，
=13×5×10×7÷0.7÷1.3，
=10×5×10×10，
=5000．
故答案为：5000．