53297

Appears in sequences

• Brilliant numbers (A078972) whose digit reversal is a pentagonal number (A000326).at n=11A115679
• Semiprimes (A001358) whose digit reversal is a pentagonal number (A000326).at n=36A115708
• Numbers n with the property that the difference between the two largest proper divisors of n equals the sum of proper divisors of the digit sum of n.at n=9A132783