550519 has 2 divisors, whose sum is σ = 550520. Its totient is φ = 550518.

The previous prime is 550513. The next prime is 550531. The reversal of 550519 is 915055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 550519 - 2⁹ = 550007 is a prime.

It is a super-2 number, since 2×550519² = 606142338722, which contains 22 as substring.

550519 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 550493 and 550502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550513) 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, 275259 + 275260.

It is an arithmetic number, because the mean of its divisors is an integer number (275260).

2⁵⁵⁰⁵¹⁹ is an apocalyptic number.

550519 is a deficient number, since it is larger than the sum of its proper divisors (1).

550519 is an equidigital number, since it uses as much as digits as its factorization.

550519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 550519 is about 741.9696759302. The cubic root of 550519 is about 81.9578903362.

The spelling of 550519 in words is "five hundred fifty thousand, five hundred nineteen".