550064843 has 2 divisors, whose sum is σ = 550064844. Its totient is φ = 550064842.

The previous prime is 550064831. The next prime is 550064857. The reversal of 550064843 is 348460055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550064843 - 2⁸ = 550064587 is a prime.

It is a super-2 number, since 2×550064843² = 605142663009229298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550064873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275032421 + 275032422.

It is an arithmetic number, because the mean of its divisors is an integer number (275032422).

Almost surely, 2^550064843 is an apocalyptic number.

550064843 is a deficient number, since it is larger than the sum of its proper divisors (1).

550064843 is an equidigital number, since it uses as much as digits as its factorization.

550064843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 550064843 is about 23453.4612157779. The cubic root of 550064843 is about 819.3534676682.

The spelling of 550064843 in words is "five hundred fifty million, sixty-four thousand, eight hundred forty-three".