54382009 has 8 divisors (see below), whose sum is σ = 62448480. Its totient is φ = 46836000.

The previous prime is 54381979. The next prime is 54382019. The reversal of 54382009 is 90028345.

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 54382009 - 2⁷ = 54381881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54382019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129892 + ... + 130309.

It is an arithmetic number, because the mean of its divisors is an integer number (7806060).

Almost surely, 2^54382009 is an apocalyptic number.

It is an amenable number.

54382009 is a deficient number, since it is larger than the sum of its proper divisors (8066471).

54382009 is a wasteful number, since it uses less digits than its factorization.

54382009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260231.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 54382009 is about 7374.4158412718. The cubic root of 54382009 is about 378.8655199187.

It can be divided in two parts, 5438 and 2009, that added together give a palindrome (7447).

The spelling of 54382009 in words is "fifty-four million, three hundred eighty-two thousand, nine".