51268143 has 8 divisors (see below), whose sum is σ = 70714800. Its totient is φ = 33000128.

The previous prime is 51268123. The next prime is 51268153. The reversal of 51268143 is 34186215.

51268143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51268143 - 2⁵ = 51268111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51268143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51268103) by changing a digit.

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, 294558 + ... + 294731.

It is an arithmetic number, because the mean of its divisors is an integer number (8839350).

Almost surely, 2^51268143 is an apocalyptic number.

51268143 is a deficient number, since it is larger than the sum of its proper divisors (19446657).

51268143 is a wasteful number, since it uses less digits than its factorization.

51268143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589321.

The product of its digits is 5760, while the sum is 30.

The square root of 51268143 is about 7160.1775815967. The cubic root of 51268143 is about 371.4917689661.

The spelling of 51268143 in words is "fifty-one million, two hundred sixty-eight thousand, one hundred forty-three".