27505533055 has 48 divisors (see below), whose sum is σ = 44652428352. Its totient is φ = 15827328000.

The previous prime is 27505533017. The next prime is 27505533059. The reversal of 27505533055 is 55033550572.

It is not a de Polignac number, because 27505533055 - 2⁹ = 27505532543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27505532999 and 27505533017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27505533059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 194746 + ... + 304855.

It is an arithmetic number, because the mean of its divisors is an integer number (930258924).

Almost surely, 2^27505533055 is an apocalyptic number.

27505533055 is a deficient number, since it is larger than the sum of its proper divisors (17146895297).

27505533055 is a wasteful number, since it uses less digits than its factorization.

27505533055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499648 (or 499637 counting only the distinct ones).

The product of its (nonzero) digits is 393750, while the sum is 40.

The spelling of 27505533055 in words is "twenty-seven billion, five hundred five million, five hundred thirty-three thousand, fifty-five".