27053145 has 36 divisors (see below), whose sum is σ = 54552420. Its totient is φ = 12366144.

The previous prime is 27053123. The next prime is 27053189. The reversal of 27053145 is 54135072.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18896409 + 8156736 = 4347^2 + 2856^2 .

It is not a de Polignac number, because 27053145 - 2⁵ = 27053113 is a prime.

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 35 ways as a sum of consecutive naturals, for example, 3930 + ... + 8339.

It is an arithmetic number, because the mean of its divisors is an integer number (1515345).

Almost surely, 2^27053145 is an apocalyptic number.

It is an amenable number.

27053145 is an abundant number, since it is smaller than the sum of its proper divisors (27499275).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27053145 is a wasteful number, since it uses less digits than its factorization.

27053145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12294 (or 12284 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 27053145 is about 5201.2637887344. The cubic root of 27053145 is about 300.1967043298.

The spelling of 27053145 in words is "twenty-seven million, fifty-three thousand, one hundred forty-five".