27550055050 has 48 divisors (see below), whose sum is σ = 59110948800. Its totient is φ = 9357442560.

The previous prime is 27550055023. The next prime is 27550055059. The reversal of 27550055050 is 5055005572.

It is a junction number, because it is equal to n+sod(n) for n = 27550054997 and 27550055015.

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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330375 + ... + 405274.

It is an arithmetic number, because the mean of its divisors is an integer number (1231478100).

Almost surely, 2^27550055050 is an apocalyptic number.

27550055050 is an abundant number, since it is smaller than the sum of its proper divisors (31560893750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27550055050 is a wasteful number, since it uses less digits than its factorization.

27550055050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735775 (or 735770 counting only the distinct ones).

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

The spelling of 27550055050 in words is "twenty-seven billion, five hundred fifty million, fifty-five thousand, fifty".