Numbers / 56

The Number 56

56 is composite: factorization 2^3 × 7. That gives 56 exactly 8 divisors: 1, 2, 4, 7, 8, 14, 28, 56. 56's proper divisors total 64, 8 more than 56 itself, so 56 is abundant. 56 has a digit sum of 11; for 56, the digital root works out to 2. 56: 2, 4, 7, 8 all divide 56 evenly, out of 2-12. 56 is 111000 in binary and 38 in hex; as a Roman numeral it's LVI.