51288748 has 12 divisors (see below), whose sum is σ = 102577552. Its totient is φ = 21980880.

The previous prime is 51288707. The next prime is 51288761. The reversal of 51288748 is 84788215.

51288748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

51288748 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 915843 + ... + 915898.

Almost surely, 2^51288748 is an apocalyptic number.

It is an amenable number.

51288748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51288748 is a wasteful number, since it uses less digits than its factorization.

51288748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831752 (or 1831750 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 51288748 is about 7161.6162980154. The cubic root of 51288748 is about 371.5415306193.

The spelling of 51288748 in words is "fifty-one million, two hundred eighty-eight thousand, seven hundred forty-eight".