51371844223 has 6 divisors (see below), whose sum is σ = 58711364456. Its totient is φ = 44032495332.

The previous prime is 51371844191. The next prime is 51371844257. The reversal of 51371844223 is 32244817315.

51371844223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51371844223 - 2⁵ = 51371844191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51371844323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556836 + ... + 642502.

Almost surely, 2^51371844223 is an apocalyptic number.

51371844223 is a deficient number, since it is larger than the sum of its proper divisors (7339520233).

51371844223 is an frugal number, since it uses more digits than its factorization.

51371844223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171341 (or 85674 counting only the distinct ones).

The product of its digits is 161280, while the sum is 40.

The spelling of 51371844223 in words is "fifty-one billion, three hundred seventy-one million, eight hundred forty-four thousand, two hundred twenty-three".