27553005505 has 8 divisors (see below), whose sum is σ = 33085910592. Its totient is φ = 22027535088.

The previous prime is 27553005481. The next prime is 27553005511. The reversal of 27553005505 is 50550035572.

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

It is a cyclic number.

It is not a de Polignac number, because 27553005505 - 2⁹ = 27553004993 is a prime.

It is a super-2 number, since 2×27553005505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850509 + ... + 1865338.

It is an arithmetic number, because the mean of its divisors is an integer number (4135738824).

Almost surely, 2^27553005505 is an apocalyptic number.

It is an amenable number.

27553005505 is a deficient number, since it is larger than the sum of its proper divisors (5532905087).

27553005505 is a wasteful number, since it uses less digits than its factorization.

27553005505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717335.

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

The spelling of 27553005505 in words is "twenty-seven billion, five hundred fifty-three million, five thousand, five hundred five".