27550055555 has 16 divisors (see below), whose sum is σ = 36656769888. Its totient is φ = 19707936000.

The previous prime is 27550055531. The next prime is 27550055563. The reversal of 27550055555 is 55555005572.

It is not a de Polignac number, because 27550055555 - 2²⁸ = 27281620099 is a prime.

It is a super-2 number, since 2×27550055555² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4102466 + ... + 4109175.

It is an arithmetic number, because the mean of its divisors is an integer number (2291048118).

Almost surely, 2^27550055555 is an apocalyptic number.

27550055555 is a deficient number, since it is larger than the sum of its proper divisors (9106714333).

27550055555 is a wasteful number, since it uses less digits than its factorization.

27550055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211718.

The product of its (nonzero) digits is 1093750, while the sum is 44.

The spelling of 27550055555 in words is "twenty-seven billion, five hundred fifty million, fifty-five thousand, five hundred fifty-five".