27553075564 has 48 divisors (see below), whose sum is σ = 55689088000. Its totient is φ = 11683745856.

The previous prime is 27553075547. The next prime is 27553075619. The reversal of 27553075564 is 46557035572.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031302 + ... + 4038130.

Almost surely, 2^27553075564 is an apocalyptic number.

It is an amenable number.

27553075564 is an abundant number, since it is smaller than the sum of its proper divisors (28136012436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27553075564 is a wasteful number, since it uses less digits than its factorization.

27553075564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8342 (or 8340 counting only the distinct ones).

The product of its (nonzero) digits is 4410000, while the sum is 49.

The spelling of 27553075564 in words is "twenty-seven billion, five hundred fifty-three million, seventy-five thousand, five hundred sixty-four".