51876497729 has 32 divisors (see below), whose sum is σ = 60811036416. Its totient is φ = 43338193920.

The previous prime is 51876497719. The next prime is 51876497767. The reversal of 51876497729 is 92779467815.

It is a de Polignac number, because none of the positive numbers 2^k-51876497729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51876497719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22583309 + ... + 22585605.

It is an arithmetic number, because the mean of its divisors is an integer number (1900344888).

Almost surely, 2^51876497729 is an apocalyptic number.

It is an amenable number.

51876497729 is a deficient number, since it is larger than the sum of its proper divisors (8934538687).

51876497729 is a wasteful number, since it uses less digits than its factorization.

51876497729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2825.

The product of its digits is 53343360, while the sum is 65.

The spelling of 51876497729 in words is "fifty-one billion, eight hundred seventy-six million, four hundred ninety-seven thousand, seven hundred twenty-nine".