27751627550 has 12 divisors (see below), whose sum is σ = 51618027336. Its totient is φ = 11100651000.

The previous prime is 27751627507. The next prime is 27751627573. The reversal of 27751627550 is 5572615772.

It is a junction number, because it is equal to n+sod(n) for n = 27751627495 and 27751627504.

It is a congruent number.

It is an unprimeable number.

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, 277516226 + ... + 277516325.

It is an arithmetic number, because the mean of its divisors is an integer number (4301502278).

Almost surely, 2^27751627550 is an apocalyptic number.

27751627550 is a deficient number, since it is larger than the sum of its proper divisors (23866399786).

27751627550 is a wasteful number, since it uses less digits than its factorization.

27751627550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555032563 (or 555032558 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 27751627550 in words is "twenty-seven billion, seven hundred fifty-one million, six hundred twenty-seven thousand, five hundred fifty".