54678009 has 8 divisors (see below), whose sum is σ = 72990112. Its totient is φ = 36408960.

The previous prime is 54678007. The next prime is 54678011. The reversal of 54678009 is 90087645.

54678009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (54678007) and next prime (54678011).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54678009 - 2¹ = 54678007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54678007) 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, 7672 + ... + 12969.

It is an arithmetic number, because the mean of its divisors is an integer number (9123764).

Almost surely, 2^54678009 is an apocalyptic number.

It is an amenable number.

54678009 is a deficient number, since it is larger than the sum of its proper divisors (18312103).

54678009 is a wasteful number, since it uses less digits than its factorization.

54678009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21527.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 54678009 is about 7394.4579923075. The cubic root of 54678009 is about 379.5516619162.

The spelling of 54678009 in words is "fifty-four million, six hundred seventy-eight thousand, nine".