27775255532 has 24 divisors (see below), whose sum is σ = 48775834800. Its totient is φ = 13839383360.

The previous prime is 27775255517. The next prime is 27775255589. The reversal of 27775255532 is 23555257772.

It is an unprimeable number.

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, 1460219 + ... + 1479117.

It is an arithmetic number, because the mean of its divisors is an integer number (2032326450).

Almost surely, 2^27775255532 is an apocalyptic number.

It is an amenable number.

27775255532 is a deficient number, since it is larger than the sum of its proper divisors (21000579268).

27775255532 is a wasteful number, since it uses less digits than its factorization.

27775255532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161 (or 20159 counting only the distinct ones).

The product of its digits is 5145000, while the sum is 50.

The spelling of 27775255532 in words is "twenty-seven billion, seven hundred seventy-five million, two hundred fifty-five thousand, five hundred thirty-two".