27550000555 has 48 divisors (see below), whose sum is σ = 41703786432. Its totient is φ = 17102131200.

The previous prime is 27550000547. The next prime is 27550000559. The reversal of 27550000555 is 55500005572.

It is not a de Polignac number, because 27550000555 - 2³ = 27550000547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27550000555.

It is not an unprimeable number, because it can be changed into a prime (27550000559) 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 47 ways as a sum of consecutive naturals, for example, 1007139 + ... + 1034131.

It is an arithmetic number, because the mean of its divisors is an integer number (868828884).

Almost surely, 2^27550000555 is an apocalyptic number.

27550000555 is a deficient number, since it is larger than the sum of its proper divisors (14153785877).

27550000555 is a wasteful number, since it uses less digits than its factorization.

27550000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27268 (or 27257 counting only the distinct ones).

The product of its (nonzero) digits is 43750, while the sum is 34.

It can be divided in two parts, 2 and 7550000555, that added together give a palindrome (7550000557).

The spelling of 27550000555 in words is "twenty-seven billion, five hundred fifty million, five hundred fifty-five", and thus it is an aban number.