550055554986 has 32 divisors (see below), whose sum is σ = 1287934962048. Its totient is φ = 153325589760.

The previous prime is 550055554957. The next prime is 550055555033. The reversal of 550055554986 is 689455550055.

It is a super-2 number, since 2×550055554986² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159712435 + ... + 159715878.

It is an arithmetic number, because the mean of its divisors is an integer number (40247967564).

Almost surely, 2^550055554986 is an apocalyptic number.

550055554986 is an abundant number, since it is smaller than the sum of its proper divisors (737879407062).

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

550055554986 is a wasteful number, since it uses less digits than its factorization.

550055554986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319428366.

The product of its (nonzero) digits is 27000000, while the sum is 57.

The spelling of 550055554986 in words is "five hundred fifty billion, fifty-five million, five hundred fifty-four thousand, nine hundred eighty-six".