54008109 has 12 divisors (see below), whose sum is σ = 78152256. Its totient is φ = 35940552.

The previous prime is 54008093. The next prime is 54008131. The reversal of 54008109 is 90180045.

It is not a de Polignac number, because 54008109 - 2⁴ = 54008093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54008159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172 + ... + 10394.

It is an arithmetic number, because the mean of its divisors is an integer number (6512688).

Almost surely, 2^54008109 is an apocalyptic number.

It is an amenable number.

54008109 is a deficient number, since it is larger than the sum of its proper divisors (24144147).

54008109 is a wasteful number, since it uses less digits than its factorization.

54008109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816 (or 10813 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 54008109 is about 7349.0209552021. The cubic root of 54008109 is about 377.9952338359.

The spelling of 54008109 in words is "fifty-four million, eight thousand, one hundred nine".