51729058772 has 24 divisors (see below), whose sum is σ = 92154827520. Its totient is φ = 25400009600.

The previous prime is 51729058769. The next prime is 51729058783. The reversal of 51729058772 is 27785092715.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118397 + ... + 342747.

It is an arithmetic number, because the mean of its divisors is an integer number (3839784480).

Almost surely, 2^51729058772 is an apocalyptic number.

It is an amenable number.

51729058772 is a deficient number, since it is larger than the sum of its proper divisors (40425768748).

51729058772 is a wasteful number, since it uses less digits than its factorization.

51729058772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225391 (or 225389 counting only the distinct ones).

The product of its (nonzero) digits is 2469600, while the sum is 53.

The spelling of 51729058772 in words is "fifty-one billion, seven hundred twenty-nine million, fifty-eight thousand, seven hundred seventy-two".