27750557530 has 16 divisors (see below), whose sum is σ = 50187741984. Its totient is φ = 11047614480.

The previous prime is 27750557509. The next prime is 27750557543. The reversal of 27750557530 is 3575505772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6573852 + ... + 6578071.

It is an arithmetic number, because the mean of its divisors is an integer number (3136733874).

Almost surely, 2^27750557530 is an apocalyptic number.

27750557530 is a deficient number, since it is larger than the sum of its proper divisors (22437184454).

27750557530 is a wasteful number, since it uses less digits than its factorization.

27750557530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13152141.

The product of its (nonzero) digits is 1286250, while the sum is 46.

The spelling of 27750557530 in words is "twenty-seven billion, seven hundred fifty million, five hundred fifty-seven thousand, five hundred thirty".