51351112 has 32 divisors (see below), whose sum is σ = 100035000. Its totient is φ = 24683008.

The previous prime is 51351109. The next prime is 51351133. The reversal of 51351112 is 21115315.

It can be written as a sum of positive squares in 4 ways, for example, as 29877156 + 21473956 = 5466^2 + 4634^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51351112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89964 + ... + 90532.

Almost surely, 2^51351112 is an apocalyptic number.

It is an amenable number.

51351112 is a deficient number, since it is larger than the sum of its proper divisors (48683888).

51351112 is a wasteful number, since it uses less digits than its factorization.

51351112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993 (or 989 counting only the distinct ones).

The product of its digits is 150, while the sum is 19.

The square root of 51351112 is about 7165.9690203070. The cubic root of 51351112 is about 371.6920602632.

Adding to 51351112 its reverse (21115315), we get a palindrome (72466427).

The spelling of 51351112 in words is "fifty-one million, three hundred fifty-one thousand, one hundred twelve".