27552550555 has 4 divisors (see below), whose sum is σ = 33063060672. Its totient is φ = 22042040440.

The previous prime is 27552550483. The next prime is 27552550583. The reversal of 27552550555 is 55505525572.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27552550555 - 2³³ = 18962615963 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 2755255051 + ... + 2755255060.

It is an arithmetic number, because the mean of its divisors is an integer number (8265765168).

Almost surely, 2^27552550555 is an apocalyptic number.

27552550555 is a deficient number, since it is larger than the sum of its proper divisors (5510510117).

27552550555 is an equidigital number, since it uses as much as digits as its factorization.

27552550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510510116.

The product of its (nonzero) digits is 2187500, while the sum is 46.

The spelling of 27552550555 in words is "twenty-seven billion, five hundred fifty-two million, five hundred fifty thousand, five hundred fifty-five".