55304109 has 12 divisors (see below), whose sum is σ = 91295776. Its totient is φ = 31602312.

The previous prime is 55304083. The next prime is 55304113. The reversal of 55304109 is 90140355.

55304109 is a `hidden beast` number, since 553 + 0 + 4 + 109 = 666.

It is not a de Polignac number, because 55304109 - 2⁷ = 55303981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55304129) 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, 438859 + ... + 438984.

Almost surely, 2^55304109 is an apocalyptic number.

It is an amenable number.

55304109 is a deficient number, since it is larger than the sum of its proper divisors (35991667).

55304109 is a wasteful number, since it uses less digits than its factorization.

55304109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877856 (or 877853 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 55304109 is about 7436.6732481668. The cubic root of 55304109 is about 380.9948745875.

The spelling of 55304109 in words is "fifty-five million, three hundred four thousand, one hundred nine".