550504543 has 2 divisors, whose sum is σ = 550504544. Its totient is φ = 550504542.

The previous prime is 550504501. The next prime is 550504547. The reversal of 550504543 is 345405055.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 550504543 - 2²⁵ = 516950111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550504547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275252271 + 275252272.

It is an arithmetic number, because the mean of its divisors is an integer number (275252272).

Almost surely, 2^550504543 is an apocalyptic number.

550504543 is a deficient number, since it is larger than the sum of its proper divisors (1).

550504543 is an equidigital number, since it uses as much as digits as its factorization.

550504543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 550504543 is about 23462.8332261899. The cubic root of 550504543 is about 819.5717290676.

Adding to 550504543 its reverse (345405055), we get a palindrome (895909598).

The spelling of 550504543 in words is "five hundred fifty million, five hundred four thousand, five hundred forty-three".