55630103 has 4 divisors (see below), whose sum is σ = 58902480. Its totient is φ = 52357728.

The previous prime is 55630079. The next prime is 55630111. The reversal of 55630103 is 30103655.

55630103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55630103 - 2¹² = 55626007 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 (55630303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636163 + ... + 1636196.

It is an arithmetic number, because the mean of its divisors is an integer number (14725620).

Almost surely, 2^55630103 is an apocalyptic number.

55630103 is a deficient number, since it is larger than the sum of its proper divisors (3272377).

55630103 is a wasteful number, since it uses less digits than its factorization.

55630103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272376.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 55630103 is about 7458.5590431396. The cubic root of 55630103 is about 381.7420089456.

Adding to 55630103 its reverse (30103655), we get a palindrome (85733758).

The spelling of 55630103 in words is "fifty-five million, six hundred thirty thousand, one hundred three".