51848685759 has 16 divisors (see below), whose sum is σ = 74458034784. Its totient is φ = 31903180800.

The previous prime is 51848685739. The next prime is 51848685773. The reversal of 51848685759 is 95758684815.

It is not a de Polignac number, because 51848685759 - 2⁷ = 51848685631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51848685759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51848685739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284719 + ... + 429839.

It is an arithmetic number, because the mean of its divisors is an integer number (4653627174).

Almost surely, 2^51848685759 is an apocalyptic number.

51848685759 is a deficient number, since it is larger than the sum of its proper divisors (22609349025).

51848685759 is a wasteful number, since it uses less digits than its factorization.

51848685759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154298.

The product of its digits is 96768000, while the sum is 66.

The spelling of 51848685759 in words is "fifty-one billion, eight hundred forty-eight million, six hundred eighty-five thousand, seven hundred fifty-nine".