51516112 has 10 divisors (see below), whose sum is σ = 99812498. Its totient is φ = 25758048.

The previous prime is 51516097. The next prime is 51516167. The reversal of 51516112 is 21161515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 47004736 + 4511376 = 6856^2 + 2124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1609863 + ... + 1609894.

Almost surely, 2^51516112 is an apocalyptic number.

It is an amenable number.

51516112 is a deficient number, since it is larger than the sum of its proper divisors (48296386).

51516112 is a wasteful number, since it uses less digits than its factorization.

51516112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3219765 (or 3219759 counting only the distinct ones).

The product of its digits is 300, while the sum is 22.

The square root of 51516112 is about 7177.4725356493. The cubic root of 51516112 is about 372.0897382457.

Adding to 51516112 its reverse (21161515), we get a palindrome (72677627).

The spelling of 51516112 in words is "fifty-one million, five hundred sixteen thousand, one hundred twelve".