54104909 has 2 divisors, whose sum is σ = 54104910. Its totient is φ = 54104908.

The previous prime is 54104893. The next prime is 54104917. The reversal of 54104909 is 90940145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42902500 + 11202409 = 6550^2 + 3347^2 .

It is a cyclic number.

It is not a de Polignac number, because 54104909 - 2⁴ = 54104893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54104209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27052454 + 27052455.

It is an arithmetic number, because the mean of its divisors is an integer number (27052455).

Almost surely, 2^54104909 is an apocalyptic number.

It is an amenable number.

54104909 is a deficient number, since it is larger than the sum of its proper divisors (1).

54104909 is an equidigital number, since it uses as much as digits as its factorization.

54104909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 54104909 is about 7355.6039181022. The cubic root of 54104909 is about 378.2209289566.

The spelling of 54104909 in words is "fifty-four million, one hundred four thousand, nine hundred nine".