27750026473550 has 24 divisors (see below), whose sum is σ = 52147163159616. Its totient is φ = 10985577488640.

The previous prime is 27750026473541. The next prime is 27750026473571. The reversal of 27750026473550 is 5537462005772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27750026473492 and 27750026473501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2860822622 + ... + 2860832321.

It is an arithmetic number, because the mean of its divisors is an integer number (2172798464984).

Almost surely, 2^{27750026473550} is an apocalyptic number.

27750026473550 is a deficient number, since it is larger than the sum of its proper divisors (24397136686066).

27750026473550 is a wasteful number, since it uses less digits than its factorization.

27750026473550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5721655052 (or 5721655047 counting only the distinct ones).

The product of its (nonzero) digits is 12348000, while the sum is 53.

The spelling of 27750026473550 in words is "twenty-seven trillion, seven hundred fifty billion, twenty-six million, four hundred seventy-three thousand, five hundred fifty".