54010809 has 6 divisors (see below), whose sum is σ = 78015626. Its totient is φ = 36007200.

The previous prime is 54010793. The next prime is 54010811. The reversal of 54010809 is 90801045.

54010809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 53978409 + 32400 = 7347^2 + 180^2 .

It is not a de Polignac number, because 54010809 - 2⁴ = 54010793 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54010829) 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 5 ways as a sum of consecutive naturals, for example, 3000592 + ... + 3000609.

Almost surely, 2^54010809 is an apocalyptic number.

It is an amenable number.

54010809 is a deficient number, since it is larger than the sum of its proper divisors (24004817).

54010809 is a wasteful number, since it uses less digits than its factorization.

54010809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001207 (or 6001204 counting only the distinct ones).

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

The square root of 54010809 is about 7349.2046508449. The cubic root of 54010809 is about 378.0015327056.

The spelling of 54010809 in words is "fifty-four million, ten thousand, eight hundred nine".