54040009 has 8 divisors (see below), whose sum is σ = 58272480. Its totient is φ = 49946400.

The previous prime is 54040001. The next prime is 54040013. The reversal of 54040009 is 90004045.

54040009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 54040009 - 2³ = 54040001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54040001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 33907 + ... + 35464.

It is an arithmetic number, because the mean of its divisors is an integer number (7284060).

Almost surely, 2^54040009 is an apocalyptic number.

It is an amenable number.

54040009 is a deficient number, since it is larger than the sum of its proper divisors (4232471).

54040009 is a wasteful number, since it uses less digits than its factorization.

54040009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69431.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 54040009 is about 7351.1909919414. The cubic root of 54040009 is about 378.0696404076.

The spelling of 54040009 in words is "fifty-four million, forty thousand, nine".