51555059084166 has 16 divisors (see below), whose sum is σ = 112483765274688. Its totient is φ = 15622745177000.

The previous prime is 51555059084107. The next prime is 51555059084167. The reversal of 51555059084166 is 66148095055515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51555059084167) 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, 390568629360 + ... + 390568629491.

It is an arithmetic number, because the mean of its divisors is an integer number (7030235329668).

Almost surely, 2^{51555059084166} is an apocalyptic number.

51555059084166 is an abundant number, since it is smaller than the sum of its proper divisors (60928706190522).

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

51555059084166 is a wasteful number, since it uses less digits than its factorization.

51555059084166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781137258867.

The product of its (nonzero) digits is 32400000, while the sum is 60.

The spelling of 51555059084166 in words is "fifty-one trillion, five hundred fifty-five billion, fifty-nine million, eighty-four thousand, one hundred sixty-six".