27750502500550 has 12 divisors (see below), whose sum is σ = 51615934651116. Its totient is φ = 11100201000200.

The previous prime is 27750502500467. The next prime is 27750502500607. The reversal of 27750502500550 is 5500520505772.

It is a junction number, because it is equal to n+sod(n) for n = 27750502500497 and 27750502500506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277505024956 + ... + 277505025055.

It is an arithmetic number, because the mean of its divisors is an integer number (4301327887593).

Almost surely, 2^{27750502500550} is an apocalyptic number.

27750502500550 is a deficient number, since it is larger than the sum of its proper divisors (23865432150566).

27750502500550 is a wasteful number, since it uses less digits than its factorization.

27750502500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555010050023 (or 555010050018 counting only the distinct ones).

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 27750502500550 in words is "twenty-seven trillion, seven hundred fifty billion, five hundred two million, five hundred thousand, five hundred fifty".