27505500056 has 32 divisors (see below), whose sum is σ = 53495135760. Its totient is φ = 13248893952.

The previous prime is 27505500049. The next prime is 27505500067. The reversal of 27505500056 is 65000550572.

It is a junction number, because it is equal to n+sod(n) for n = 27505499989 and 27505500025.

It is a congruent number.

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, 522545 + ... + 572768.

Almost surely, 2^27505500056 is an apocalyptic number.

It is an amenable number.

27505500056 is a deficient number, since it is larger than the sum of its proper divisors (25989635704).

27505500056 is a wasteful number, since it uses less digits than its factorization.

27505500056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095435 (or 1095431 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The spelling of 27505500056 in words is "twenty-seven billion, five hundred five million, five hundred thousand, fifty-six".