51896831223 has 4 divisors (see below), whose sum is σ = 69195774968. Its totient is φ = 34597887480.

The previous prime is 51896831213. The next prime is 51896831237. The reversal of 51896831223 is 32213869815.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51896831223 - 2⁵ = 51896831191 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 (51896831213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8649471868 + ... + 8649471873.

It is an arithmetic number, because the mean of its divisors is an integer number (17298943742).

Almost surely, 2^51896831223 is an apocalyptic number.

51896831223 is a deficient number, since it is larger than the sum of its proper divisors (17298943745).

51896831223 is a wasteful number, since it uses less digits than its factorization.

51896831223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17298943744.

The product of its digits is 622080, while the sum is 48.

The spelling of 51896831223 in words is "fifty-one billion, eight hundred ninety-six million, eight hundred thirty-one thousand, two hundred twenty-three".