53804809 has 8 divisors (see below), whose sum is σ = 55745792. Its totient is φ = 51876720.

The previous prime is 53804791. The next prime is 53804857. The reversal of 53804809 is 90840835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53804809 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (53804879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5707 + ... + 11839.

It is an arithmetic number, because the mean of its divisors is an integer number (6968224).

Almost surely, 2^53804809 is an apocalyptic number.

It is an amenable number.

53804809 is a deficient number, since it is larger than the sum of its proper divisors (1940983).

53804809 is a wasteful number, since it uses less digits than its factorization.

53804809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 53804809 is about 7335.1761396711. The cubic root of 53804809 is about 377.5203480107.

The spelling of 53804809 in words is "fifty-three million, eight hundred four thousand, eight hundred nine".