51055605605 has 8 divisors (see below), whose sum is σ = 61338055200. Its totient is φ = 40796932176.

The previous prime is 51055605581. The next prime is 51055605611. The reversal of 51055605605 is 50650655015.

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 51055605605 - 2¹⁸ = 51055343461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5939315 + ... + 5947904.

It is an arithmetic number, because the mean of its divisors is an integer number (7667256900).

Almost surely, 2^51055605605 is an apocalyptic number.

It is an amenable number.

51055605605 is a deficient number, since it is larger than the sum of its proper divisors (10282449595).

51055605605 is a wasteful number, since it uses less digits than its factorization.

51055605605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11888083.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 51055605605 in words is "fifty-one billion, fifty-five million, six hundred five thousand, six hundred five".