51055686834 has 16 divisors (see below), whose sum is σ = 102123240480. Its totient is φ = 17016584480.

The previous prime is 51055686817. The next prime is 51055686893. The reversal of 51055686834 is 43868655015.

It is a happy 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, 438024 + ... + 542195.

It is an arithmetic number, because the mean of its divisors is an integer number (6382702530).

Almost surely, 2^51055686834 is an apocalyptic number.

51055686834 is an abundant number, since it is smaller than the sum of its proper divisors (51067553646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51055686834 is a wasteful number, since it uses less digits than its factorization.

51055686834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988905.

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 51055686834 in words is "fifty-one billion, fifty-five million, six hundred eighty-six thousand, eight hundred thirty-four".