51600717421 has 8 divisors (see below), whose sum is σ = 56789849664. Its totient is φ = 46494611520.

The previous prime is 51600717391. The next prime is 51600717431. The reversal of 51600717421 is 12471700615.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51600717421 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 (51600717431) 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, 20755281 + ... + 20757766.

It is an arithmetic number, because the mean of its divisors is an integer number (7098731208).

Almost surely, 2^51600717421 is an apocalyptic number.

It is an amenable number.

51600717421 is a deficient number, since it is larger than the sum of its proper divisors (5189132243).

51600717421 is a wasteful number, since it uses less digits than its factorization.

51600717421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41513171.

The product of its (nonzero) digits is 11760, while the sum is 34.

The spelling of 51600717421 in words is "fifty-one billion, six hundred million, seven hundred seventeen thousand, four hundred twenty-one".