550507669 has 2 divisors, whose sum is σ = 550507670. Its totient is φ = 550507668.

The previous prime is 550507627. The next prime is 550507723. The reversal of 550507669 is 966705055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404412100 + 146095569 = 20110^2 + 12087^2 .

It is a cyclic number.

It is not a de Polignac number, because 550507669 - 2⁹ = 550507157 is a prime.

It is a super-2 number, since 2×550507669² = 606117387255627122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550502669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275253834 + 275253835.

It is an arithmetic number, because the mean of its divisors is an integer number (275253835).

Almost surely, 2^550507669 is an apocalyptic number.

It is an amenable number.

550507669 is a deficient number, since it is larger than the sum of its proper divisors (1).

550507669 is an equidigital number, since it uses as much as digits as its factorization.

550507669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 550507669 is about 23462.8998420911. The cubic root of 550507669 is about 819.5732803575.

The spelling of 550507669 in words is "five hundred fifty million, five hundred seven thousand, six hundred sixty-nine".