55304133 has 4 divisors (see below), whose sum is σ = 73738848. Its totient is φ = 36869420.

The previous prime is 55304129. The next prime is 55304141. The reversal of 55304133 is 33140355.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55304133 - 2² = 55304129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55304113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9217353 + ... + 9217358.

It is an arithmetic number, because the mean of its divisors is an integer number (18434712).

Almost surely, 2^55304133 is an apocalyptic number.

It is an amenable number.

55304133 is a deficient number, since it is larger than the sum of its proper divisors (18434715).

55304133 is a wasteful number, since it uses less digits than its factorization.

55304133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18434714.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 55304133 is about 7436.6748617914. The cubic root of 55304133 is about 380.9949297002.

Adding to 55304133 its reverse (33140355), we get a palindrome (88444488).

The spelling of 55304133 in words is "fifty-five million, three hundred four thousand, one hundred thirty-three".