5555430203 has 2 divisors, whose sum is σ = 5555430204. Its totient is φ = 5555430202.

The previous prime is 5555430191. The next prime is 5555430227. The reversal of 5555430203 is 3020345555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5555430203 - 2⁸ = 5555429947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5555430203.

It is not a weakly prime, because it can be changed into another prime (5555490203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777715101 + 2777715102.

It is an arithmetic number, because the mean of its divisors is an integer number (2777715102).

Almost surely, 2^5555430203 is an apocalyptic number.

5555430203 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555430203 is an equidigital number, since it uses as much as digits as its factorization.

5555430203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 32.

The square root of 5555430203 is about 74534.7583547435. The cubic root of 5555430203 is about 1771.0842945074.

Adding to 5555430203 its reverse (3020345555), we get a palindrome (8575775758).

The spelling of 5555430203 in words is "five billion, five hundred fifty-five million, four hundred thirty thousand, two hundred three".