27558831056 has 20 divisors (see below), whose sum is σ = 53461099104. Its totient is φ = 13762418400.

The previous prime is 27558831023. The next prime is 27558831119. The reversal of 27558831056 is 65013885572.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 27558830995 and 27558831013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048940 + ... + 1074891.

Almost surely, 2^27558831056 is an apocalyptic number.

It is an amenable number.

27558831056 is a deficient number, since it is larger than the sum of its proper divisors (25902268048).

27558831056 is a wasteful number, since it uses less digits than its factorization.

27558831056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124650 (or 2124644 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 50.

The spelling of 27558831056 in words is "twenty-seven billion, five hundred fifty-eight million, eight hundred thirty-one thousand, fifty-six".