51086823483555 has 64 divisors (see below), whose sum is σ = 98184886156800. Its totient is φ = 25114660260480.

The previous prime is 51086823483551. The next prime is 51086823483557. The reversal of 51086823483555 is 55538432868015.

It is a happy number.

51086823483555 is a `hidden beast` number, since 5 + 1 + 0 + 86 + 8 + 23 + 483 + 5 + 55 = 666.

It is not a de Polignac number, because 51086823483555 - 2² = 51086823483551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51086823483492 and 51086823483501.

It is not an unprimeable number, because it can be changed into a prime (51086823483551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 269052261 + ... + 269242070.

It is an arithmetic number, because the mean of its divisors is an integer number (1534138846200).

Almost surely, 2^{51086823483555} is an apocalyptic number.

51086823483555 is a deficient number, since it is larger than the sum of its proper divisors (47098062673245).

51086823483555 is a wasteful number, since it uses less digits than its factorization.

51086823483555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538294401 (or 538294395 counting only the distinct ones).

The product of its (nonzero) digits is 138240000, while the sum is 63.

The spelling of 51086823483555 in words is "fifty-one trillion, eighty-six billion, eight hundred twenty-three million, four hundred eighty-three thousand, five hundred fifty-five".