27270720550 has 12 divisors (see below), whose sum is σ = 50723540316. Its totient is φ = 10908288200.

The previous prime is 27270720511. The next prime is 27270720551. The reversal of 27270720550 is 5502707272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27270720551) 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 5 ways as a sum of consecutive naturals, for example, 272707156 + ... + 272707255.

It is an arithmetic number, because the mean of its divisors is an integer number (4226961693).

Almost surely, 2^27270720550 is an apocalyptic number.

27270720550 is a deficient number, since it is larger than the sum of its proper divisors (23452819766).

27270720550 is a wasteful number, since it uses less digits than its factorization.

27270720550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545414423 (or 545414418 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 37.

The spelling of 27270720550 in words is "twenty-seven billion, two hundred seventy million, seven hundred twenty thousand, five hundred fifty".