51788873273 has 4 divisors (see below), whose sum is σ = 51813979008. Its totient is φ = 51763767540.

The previous prime is 51788873261. The next prime is 51788873377. The reversal of 51788873273 is 37237888715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51788873273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51788879273) 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, 12549773 + ... + 12553898.

It is an arithmetic number, because the mean of its divisors is an integer number (12953494752).

Almost surely, 2^51788873273 is an apocalyptic number.

It is an amenable number.

51788873273 is a deficient number, since it is larger than the sum of its proper divisors (25105735).

51788873273 is a wasteful number, since it uses less digits than its factorization.

51788873273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25105734.

The product of its digits is 15805440, while the sum is 59.

The spelling of 51788873273 in words is "fifty-one billion, seven hundred eighty-eight million, eight hundred seventy-three thousand, two hundred seventy-three".