553116203 has 2 divisors, whose sum is σ = 553116204. Its totient is φ = 553116202.

The previous prime is 553116197. The next prime is 553116211. The reversal of 553116203 is 302611355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 553116203 - 2¹⁴ = 553099819 is a prime.

It is a super-2 number, since 2×553116203² = 611875068042274418, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553116253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276558101 + 276558102.

It is an arithmetic number, because the mean of its divisors is an integer number (276558102).

Almost surely, 2^553116203 is an apocalyptic number.

553116203 is a deficient number, since it is larger than the sum of its proper divisors (1).

553116203 is an equidigital number, since it uses as much as digits as its factorization.

553116203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 553116203 is about 23518.4226299299. The cubic root of 553116203 is about 820.8657339840.

Adding to 553116203 its reverse (302611355), we get a palindrome (855727558).

The spelling of 553116203 in words is "five hundred fifty-three million, one hundred sixteen thousand, two hundred three".