27948055 has 4 divisors (see below), whose sum is σ = 33537672. Its totient is φ = 22358440.

The previous prime is 27948049. The next prime is 27948073. The reversal of 27948055 is 55084972.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 27948055 - 2⁵ = 27948023 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27947999 and 27948017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2794801 + ... + 2794810.

It is an arithmetic number, because the mean of its divisors is an integer number (8384418).

Almost surely, 2^27948055 is an apocalyptic number.

27948055 is a deficient number, since it is larger than the sum of its proper divisors (5589617).

27948055 is an equidigital number, since it uses as much as digits as its factorization.

27948055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5589616.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 27948055 is about 5286.5920024152. The cubic root of 27948055 is about 303.4710004526.

The spelling of 27948055 in words is "twenty-seven million, nine hundred forty-eight thousand, fifty-five".