550049 has 2 divisors, whose sum is σ = 550050. Its totient is φ = 550048.

The previous prime is 550027. The next prime is 550061. The reversal of 550049 is 940055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 384400 + 165649 = 620^2 + 407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (550009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275024 + 275025.

It is an arithmetic number, because the mean of its divisors is an integer number (275025).

2⁵⁵⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

550049 is a deficient number, since it is larger than the sum of its proper divisors (1).

550049 is an equidigital number, since it uses as much as digits as its factorization.

550049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 550049 is about 741.6528837671. The cubic root of 550049 is about 81.9345601237.

The spelling of 550049 in words is "five hundred fifty thousand, forty-nine".