83556055054986 has 64 divisors (see below), whose sum is σ = 177431525550720. Its totient is φ = 26141224017920.

The previous prime is 83556055054963. The next prime is 83556055055017. The reversal of 83556055054986 is 68945055065538.

It is a super-2 number, since 2×83556055054986² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83556055054986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113186956 + ... + 113922776.

It is an arithmetic number, because the mean of its divisors is an integer number (2772367586730).

Almost surely, 2^{83556055054986} is an apocalyptic number.

83556055054986 is an abundant number, since it is smaller than the sum of its proper divisors (93875470495734).

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

83556055054986 is a wasteful number, since it uses less digits than its factorization.

83556055054986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738919.

The product of its (nonzero) digits is 777600000, while the sum is 69.

The spelling of 83556055054986 in words is "eighty-three trillion, five hundred fifty-six billion, fifty-five million, fifty-four thousand, nine hundred eighty-six".