51920963171 has 8 divisors (see below), whose sum is σ = 64732629504. Its totient is φ = 40457893320.

The previous prime is 51920963167. The next prime is 51920963173. The reversal of 51920963171 is 17136902915.

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 51920963171 - 2² = 51920963167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51920963173) by changing a digit.

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, 337149035 + ... + 337149188.

It is an arithmetic number, because the mean of its divisors is an integer number (8091578688).

Almost surely, 2^51920963171 is an apocalyptic number.

51920963171 is a deficient number, since it is larger than the sum of its proper divisors (12811666333).

51920963171 is a wasteful number, since it uses less digits than its factorization.

51920963171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674298241.

The product of its (nonzero) digits is 102060, while the sum is 44.

The spelling of 51920963171 in words is "fifty-one billion, nine hundred twenty million, nine hundred sixty-three thousand, one hundred seventy-one".