27555055572 has 36 divisors (see below), whose sum is σ = 70671509888. Its totient is φ = 8350016400.

The previous prime is 27555055559. The next prime is 27555055573.

27555055572 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27555055573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9487204 + ... + 9490107.

Almost surely, 2^27555055572 is an apocalyptic number.

27555055572 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27555055572 is an abundant number, since it is smaller than the sum of its proper divisors (43116454316).

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

27555055572 is a wasteful number, since it uses less digits than its factorization.

27555055572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18977340 (or 18977327 counting only the distinct ones).

The product of its (nonzero) digits is 3062500, while the sum is 48.

The spelling of 27555055572 in words is "twenty-seven billion, five hundred fifty-five million, fifty-five thousand, five hundred seventy-two".