27550055505 has 32 divisors (see below), whose sum is σ = 50398790400. Its totient is φ = 12588924672.

The previous prime is 27550055479. The next prime is 27550055531. The reversal of 27550055505 is 50555005572.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (27550055479) and next prime (27550055531).

It is not a de Polignac number, because 27550055505 - 2⁵ = 27550055473 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 195931 + ... + 305759.

It is an arithmetic number, because the mean of its divisors is an integer number (1574962200).

Almost surely, 2^27550055505 is an apocalyptic number.

It is an amenable number.

27550055505 is a deficient number, since it is larger than the sum of its proper divisors (22848734895).

27550055505 is a wasteful number, since it uses less digits than its factorization.

27550055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112233.

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

The spelling of 27550055505 in words is "twenty-seven billion, five hundred fifty million, fifty-five thousand, five hundred five".