27550250005 has 8 divisors (see below), whose sum is σ = 33513181272. Its totient is φ = 21738279168.

The previous prime is 27550249949. The next prime is 27550250017. The reversal of 27550250005 is 50005205572.

It can be written as a sum of positive squares in 4 ways, for example, as 3326751684 + 24223498321 = 57678^2 + 155639^2 .

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 27550250005 - 2⁷ = 27550249877 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 37739704 + ... + 37740433.

It is an arithmetic number, because the mean of its divisors is an integer number (4189147659).

Almost surely, 2^27550250005 is an apocalyptic number.

It is an amenable number.

27550250005 is a deficient number, since it is larger than the sum of its proper divisors (5962931267).

27550250005 is an equidigital number, since it uses as much as digits as its factorization.

27550250005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75480215.

The product of its (nonzero) digits is 17500, while the sum is 31.

Adding to 27550250005 its reverse (50005205572), we get a palindrome (77555455577).

The spelling of 27550250005 in words is "twenty-seven billion, five hundred fifty million, two hundred fifty thousand, five".