27553055028 has 12 divisors (see below), whose sum is σ = 64290461760. Its totient is φ = 9184351672.

The previous prime is 27553055027. The next prime is 27553055051. The reversal of 27553055028 is 82055035572.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27553055021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148043948 + ... + 1148043971.

It is an arithmetic number, because the mean of its divisors is an integer number (5357538480).

Almost surely, 2^27553055028 is an apocalyptic number.

It is an amenable number.

27553055028 is an abundant number, since it is smaller than the sum of its proper divisors (36737406732).

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

27553055028 is a wasteful number, since it uses less digits than its factorization.

27553055028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296087926 (or 2296087924 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 27553055028 in words is "twenty-seven billion, five hundred fifty-three million, fifty-five thousand, twenty-eight".