51248312 has 16 divisors (see below), whose sum is σ = 96973800. Its totient is φ = 25388640.

The previous prime is 51248311. The next prime is 51248317. The reversal of 51248312 is 21384215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51248311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28514 + ... + 30257.

Almost surely, 2^51248312 is an apocalyptic number.

It is an amenable number.

51248312 is a deficient number, since it is larger than the sum of its proper divisors (45725488).

51248312 is a wasteful number, since it uses less digits than its factorization.

51248312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58886 (or 58882 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 51248312 is about 7158.7926356335. The cubic root of 51248312 is about 371.4438639519.

The spelling of 51248312 in words is "fifty-one million, two hundred forty-eight thousand, three hundred twelve".