550919 has 8 divisors (see below), whose sum is σ = 609120. Its totient is φ = 495616.

The previous prime is 550909. The next prime is 550937. The reversal of 550919 is 919055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550919 - 2⁴ = 550903 is a prime.

It is a super-2 number, since 2×550919² = 607023489122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 550891 and 550900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550909) 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 in 7 ways as a sum of consecutive naturals, for example, 314 + ... + 1095.

It is an arithmetic number, because the mean of its divisors is an integer number (76140).

2⁵⁵⁰⁹¹⁹ is an apocalyptic number.

550919 is a deficient number, since it is larger than the sum of its proper divisors (58201).

550919 is a wasteful number, since it uses less digits than its factorization.

550919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 550919 is about 742.2391797797. The cubic root of 550919 is about 81.9777353790.

The spelling of 550919 in words is "five hundred fifty thousand, nine hundred nineteen".