51965605682 has 8 divisors (see below), whose sum is σ = 82050956400. Its totient is φ = 24615286884.

The previous prime is 51965605633. The next prime is 51965605693. The reversal of 51965605682 is 28650656915.

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

It is a super-3 number, since 3×51965605682³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683757932 + ... + 683758007.

It is an arithmetic number, because the mean of its divisors is an integer number (10256369550).

Almost surely, 2^51965605682 is an apocalyptic number.

51965605682 is a deficient number, since it is larger than the sum of its proper divisors (30085350718).

51965605682 is a wasteful number, since it uses less digits than its factorization.

51965605682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367515960.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 51965605682 in words is "fifty-one billion, nine hundred sixty-five million, six hundred five thousand, six hundred eighty-two".