551443103 has 2 divisors, whose sum is σ = 551443104. Its totient is φ = 551443102.

The previous prime is 551443073. The next prime is 551443117. The reversal of 551443103 is 301344155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551443103 - 2⁸ = 551442847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551443183) 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 as a sum of consecutive naturals, namely, 275721551 + 275721552.

It is an arithmetic number, because the mean of its divisors is an integer number (275721552).

Almost surely, 2^551443103 is an apocalyptic number.

551443103 is a deficient number, since it is larger than the sum of its proper divisors (1).

551443103 is an equidigital number, since it uses as much as digits as its factorization.

551443103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 551443103 is about 23482.8257030537. The cubic root of 551443103 is about 820.0372296204.

Adding to 551443103 its reverse (301344155), we get a palindrome (852787258).

It can be divided in two parts, 551 and 443103, that multiplied together give a triangular number (244149753 = T₂₂₀₉₇).

The spelling of 551443103 in words is "five hundred fifty-one million, four hundred forty-three thousand, one hundred three".