Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What is the GDP of the place with over 54,292,038 people and an Area (km²) greater than 30,528?

### Inputs:
table_name: table, columns: ['Member countries', 'Population', 'Area (km²)', 'GDP (billion US$)', 'GDP per capita (US$)']

### Response:
SELECT MIN GDP (billion US$) FROM table WHERE Population > 54,292,038 AND Area (km²) > 30,528