51041312 has 48 divisors (see below), whose sum is σ = 115540992. Its totient is φ = 21742080.

The previous prime is 51041297. The next prime is 51041339. The reversal of 51041312 is 21314015.

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, 42188 + ... + 43380.

It is an arithmetic number, because the mean of its divisors is an integer number (2407104).

Almost surely, 2^51041312 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 51041312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57770496).

51041312 is an abundant number, since it is smaller than the sum of its proper divisors (64499680).

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

51041312 is a wasteful number, since it uses less digits than its factorization.

51041312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51041312 is about 7144.3202615784. The cubic root of 51041312 is about 370.9430823531.

Adding to 51041312 its reverse (21314015), we get a palindrome (72355327).

The spelling of 51041312 in words is "fifty-one million, forty-one thousand, three hundred twelve".