55308103 has 6 divisors (see below), whose sum is σ = 55586616. Its totient is φ = 55030752.

The previous prime is 55308091. The next prime is 55308109. The reversal of 55308103 is 30180355.

It is a happy number.

It is not a de Polignac number, because 55308103 - 2⁹ = 55307591 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 (55308109) 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 5 ways as a sum of consecutive naturals, for example, 113326 + ... + 113812.

It is an arithmetic number, because the mean of its divisors is an integer number (9264436).

Almost surely, 2^55308103 is an apocalyptic number.

55308103 is a deficient number, since it is larger than the sum of its proper divisors (278513).

55308103 is an frugal number, since it uses more digits than its factorization.

55308103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 824 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 55308103 is about 7436.9417773706. The cubic root of 55308103 is about 381.0040460392.

Adding to 55308103 its reverse (30180355), we get a palindrome (85488458).

The spelling of 55308103 in words is "fifty-five million, three hundred eight thousand, one hundred three".