Answer
552 is not perfect because:
1 + 2 + 3 + 4 + 6 + 8 + 12 + 23 + 24 + 46 + 69 + 92 + 138 + 184 + 276 ≠ 552
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Answer
552 is not perfect because:
1 + 2 + 3 + 4 + 6 + 8 + 12 + 23 + 24 + 46 + 69 + 92 + 138 + 184 + 276 ≠ 552