550544669 has 2 divisors, whose sum is σ = 550544670. Its totient is φ = 550544668.

The previous prime is 550544663. The next prime is 550544693. The reversal of 550544669 is 966445055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371332900 + 179211769 = 19270^2 + 13387^2 .

It is a cyclic number.

It is not a de Polignac number, because 550544669 - 2⁸ = 550544413 is a prime.

It is a super-2 number, since 2×550544669² = 606198865128639122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550544663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275272334 + 275272335.

It is an arithmetic number, because the mean of its divisors is an integer number (275272335).

Almost surely, 2^550544669 is an apocalyptic number.

It is an amenable number.

550544669 is a deficient number, since it is larger than the sum of its proper divisors (1).

550544669 is an equidigital number, since it uses as much as digits as its factorization.

550544669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 550544669 is about 23463.6883076809. The cubic root of 550544669 is about 819.5916413079.

The spelling of 550544669 in words is "five hundred fifty million, five hundred forty-four thousand, six hundred sixty-nine".