51729058771 has 8 divisors (see below), whose sum is σ = 55742862560. Its totient is φ = 47720204352.

The previous prime is 51729058769. The next prime is 51729058783. The reversal of 51729058771 is 17785092715.

51729058771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51729058771 - 2¹ = 51729058769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51729058751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215615 + ... + 1257448.

It is an arithmetic number, because the mean of its divisors is an integer number (6967857820).

Almost surely, 2^51729058771 is an apocalyptic number.

51729058771 is a deficient number, since it is larger than the sum of its proper divisors (4013803789).

51729058771 is a wasteful number, since it uses less digits than its factorization.

51729058771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474685.

The product of its (nonzero) digits is 1234800, while the sum is 52.

The spelling of 51729058771 in words is "fifty-one billion, seven hundred twenty-nine million, fifty-eight thousand, seven hundred seventy-one".