51705338383 has 4 divisors (see below), whose sum is σ = 51707276280. Its totient is φ = 51703400488.

The previous prime is 51705338369. The next prime is 51705338417. The reversal of 51705338383 is 38383350715.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51705338383 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 (51705338303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928360 + ... + 982477.

It is an arithmetic number, because the mean of its divisors is an integer number (12926819070).

Almost surely, 2^51705338383 is an apocalyptic number.

51705338383 is a deficient number, since it is larger than the sum of its proper divisors (1937897).

51705338383 is a wasteful number, since it uses less digits than its factorization.

51705338383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937896.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 51705338383 in words is "fifty-one billion, seven hundred five million, three hundred thirty-eight thousand, three hundred eighty-three".