27530055005500 has 96 divisors (see below), whose sum is σ = 62183866687488. Its totient is φ = 10636416072000.

The previous prime is 27530055005489. The next prime is 27530055005503. The reversal of 27530055005500 is 550055003572.

It is a self number, because there is not a number n which added to its sum of digits gives 27530055005500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27530055005503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6408477 + ... + 9804523.

It is an arithmetic number, because the mean of its divisors is an integer number (647748611328).

Almost surely, 2^{27530055005500} is an apocalyptic number.

27530055005500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27530055005500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31091933343744).

27530055005500 is an abundant number, since it is smaller than the sum of its proper divisors (34653811681988).

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

27530055005500 is a wasteful number, since it uses less digits than its factorization.

27530055005500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396620 (or 3396608 counting only the distinct ones).

The product of its (nonzero) digits is 131250, while the sum is 37.

The spelling of 27530055005500 in words is "twenty-seven trillion, five hundred thirty billion, fifty-five million, five thousand, five hundred".