27050545 has 4 divisors (see below), whose sum is σ = 32460660. Its totient is φ = 21640432.

The previous prime is 27050539. The next prime is 27050549. The reversal of 27050545 is 54505072.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9678321 + 17372224 = 3111^2 + 4168^2 .

It is a cyclic number.

It is not a de Polignac number, because 27050545 - 2³ = 27050537 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (27050549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2705050 + ... + 2705059.

It is an arithmetic number, because the mean of its divisors is an integer number (8115165).

Almost surely, 2^27050545 is an apocalyptic number.

It is an amenable number.

27050545 is a deficient number, since it is larger than the sum of its proper divisors (5410115).

27050545 is an equidigital number, since it uses as much as digits as its factorization.

27050545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410114.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 27050545 is about 5201.0138434732. The cubic root of 27050545 is about 300.1870870076.

The spelling of 27050545 in words is "twenty-seven million, fifty thousand, five hundred forty-five".