51112 has 8 divisors (see below), whose sum is σ = 95850. Its totient is φ = 25552.

The previous prime is 51109. The next prime is 51131. The reversal of 51112 is 21115.

It is a happy number.

51112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 51076 + 36 = 226^2 + 6^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51112² = 5224873088, which contains 22 as substring.

It is a magnanimous number.

It is a plaindrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187 + ... + 3202.

2⁵¹¹¹² is an apocalyptic number.

It is an amenable number.

51112 is a deficient number, since it is larger than the sum of its proper divisors (44738).

51112 is a wasteful number, since it uses less digits than its factorization.

51112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395 (or 6391 counting only the distinct ones).

The product of its digits is 10, while the sum is 10.

The square root of 51112 is about 226.0796319884. The cubic root of 51112 is about 37.1114245202. Note that the first 3 decimals are identical.

Adding to 51112 its reverse (21115), we get a palindrome (72227).

The spelling of 51112 in words is "fifty-one thousand, one hundred twelve".