55404303 has 4 divisors (see below), whose sum is σ = 73872408. Its totient is φ = 36936200.

The previous prime is 55404227. The next prime is 55404313. The reversal of 55404303 is 30340455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55404303 - 2¹⁰ = 55403279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55404313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9234048 + ... + 9234053.

It is an arithmetic number, because the mean of its divisors is an integer number (18468102).

Almost surely, 2^55404303 is an apocalyptic number.

55404303 is a deficient number, since it is larger than the sum of its proper divisors (18468105).

55404303 is a wasteful number, since it uses less digits than its factorization.

55404303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468104.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 55404303 is about 7443.4066797401. The cubic root of 55404303 is about 381.2248175430.

Adding to 55404303 its reverse (30340455), we get a palindrome (85744758).

The spelling of 55404303 in words is "fifty-five million, four hundred four thousand, three hundred three".