27555500555 has 8 divisors (see below), whose sum is σ = 36072655344. Its totient is φ = 20040364000.

The previous prime is 27555500527. The next prime is 27555500569. The reversal of 27555500555 is 55500555572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 27555500555 - 2¹⁴ = 27555484171 is a prime.

It is a super-2 number, since 2×27555500555² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250504496 + ... + 250504605.

It is an arithmetic number, because the mean of its divisors is an integer number (4509081918).

Almost surely, 2^27555500555 is an apocalyptic number.

27555500555 is a deficient number, since it is larger than the sum of its proper divisors (8517154789).

27555500555 is a wasteful number, since it uses less digits than its factorization.

27555500555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501009117.

The product of its (nonzero) digits is 1093750, while the sum is 44.

The spelling of 27555500555 in words is "twenty-seven billion, five hundred fifty-five million, five hundred thousand, five hundred fifty-five".