55000103203 has 2 divisors, whose sum is σ = 55000103204. Its totient is φ = 55000103202.

The previous prime is 55000103173. The next prime is 55000103209. The reversal of 55000103203 is 30230100055.

55000103203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000103203 is a prime.

It is a super-2 number, since 2×55000103203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55000103209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500051601 + 27500051602.

It is an arithmetic number, because the mean of its divisors is an integer number (27500051602).

Almost surely, 2^55000103203 is an apocalyptic number.

55000103203 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000103203 is an equidigital number, since it uses as much as digits as its factorization.

55000103203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 19.

Adding to 55000103203 its reverse (30230100055), we get a palindrome (85230203258).

It can be divided in two parts, 55000 and 103203, that added together give a triangular number (158203 = T₅₆₂).

The spelling of 55000103203 in words is "fifty-five billion, one hundred three thousand, two hundred three".