51415112 has 48 divisors (see below), whose sum is σ = 115787520. Its totient is φ = 21319200.

The previous prime is 51415093. The next prime is 51415129. The reversal of 51415112 is 21151415.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10037 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (2412240).

Almost surely, 2^51415112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51415112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57893760).

51415112 is an abundant number, since it is smaller than the sum of its proper divisors (64372408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51415112 is a wasteful number, since it uses less digits than its factorization.

51415112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282 (or 4271 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 51415112 is about 7170.4331807779. The cubic root of 51415112 is about 371.8464121046.

Adding to 51415112 its reverse (21151415), we get a palindrome (72566527).

The spelling of 51415112 in words is "fifty-one million, four hundred fifteen thousand, one hundred twelve".