51055605500613 has 8 divisors (see below), whose sum is σ = 77799017905728. Its totient is φ = 29174631714624.

The previous prime is 51055605500597. The next prime is 51055605500621. The reversal of 51055605500613 is 31600550655015.

It is a happy number.

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

It is not a de Polignac number, because 51055605500613 - 2⁴ = 51055605500597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51055605500633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215609654756 + ... + 1215609654797.

It is an arithmetic number, because the mean of its divisors is an integer number (9724877238216).

Almost surely, 2^{51055605500613} is an apocalyptic number.

It is an amenable number.

51055605500613 is a deficient number, since it is larger than the sum of its proper divisors (26743412405115).

51055605500613 is a wasteful number, since it uses less digits than its factorization.

51055605500613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431219309563.

The product of its (nonzero) digits is 337500, while the sum is 42.

The spelling of 51055605500613 in words is "fifty-one trillion, fifty-five billion, six hundred five million, five hundred thousand, six hundred thirteen".