27550055055 has 8 divisors (see below), whose sum is σ = 44080088112. Its totient is φ = 14693362688.

The previous prime is 27550055023. The next prime is 27550055059. The reversal of 27550055055 is 55055005572.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27550055055 - 2⁵ = 27550055023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27550055059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 918335154 + ... + 918335183.

It is an arithmetic number, because the mean of its divisors is an integer number (5510011014).

Almost surely, 2^27550055055 is an apocalyptic number.

27550055055 is a deficient number, since it is larger than the sum of its proper divisors (16530033057).

27550055055 is a wasteful number, since it uses less digits than its factorization.

27550055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836670345.

The product of its (nonzero) digits is 218750, while the sum is 39.

The spelling of 27550055055 in words is "twenty-seven billion, five hundred fifty million, fifty-five thousand, fifty-five".