51303144 has 32 divisors (see below), whose sum is σ = 135803520. Its totient is φ = 16094976.

The previous prime is 51303121. The next prime is 51303151. The reversal of 51303144 is 44130315.

51303144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51303144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62464 + ... + 63279.

It is an arithmetic number, because the mean of its divisors is an integer number (4243860).

Almost surely, 2^51303144 is an apocalyptic number.

It is an amenable number.

51303144 is an abundant number, since it is smaller than the sum of its proper divisors (84500376).

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

51303144 is a wasteful number, since it uses less digits than its factorization.

51303144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125769 (or 125765 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 51303144 is about 7162.6213078733. The cubic root of 51303144 is about 371.5762894552.

Adding to 51303144 its reverse (44130315), we get a palindrome (95433459).

The spelling of 51303144 in words is "fifty-one million, three hundred three thousand, one hundred forty-four".