54039289 has 4 divisors (see below), whose sum is σ = 54054756. Its totient is φ = 54023824.

The previous prime is 54039283. The next prime is 54039299. The reversal of 54039289 is 98293045.

It is a happy number.

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 50523664 + 3515625 = 7108^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 54039289 - 2¹¹ = 54037241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54039283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267 + ... + 10399.

It is an arithmetic number, because the mean of its divisors is an integer number (13513689).

Almost surely, 2^54039289 is an apocalyptic number.

It is an amenable number.

54039289 is a deficient number, since it is larger than the sum of its proper divisors (15467).

54039289 is a wasteful number, since it uses less digits than its factorization.

54039289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15466.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 54039289 is about 7351.1420201218. The cubic root of 54039289 is about 378.0679613347.

The spelling of 54039289 in words is "fifty-four million, thirty-nine thousand, two hundred eighty-nine".