550601 has 4 divisors (see below), whose sum is σ = 579600. Its totient is φ = 521604.

The previous prime is 550577. The next prime is 550607. The reversal of 550601 is 106055.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 106055 = 5 ⋅21211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550601 is a prime.

It is a super-2 number, since 2×550601² = 606322922402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550601.

It is not an unprimeable number, because it can be changed into a prime (550607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14471 + ... + 14508.

It is an arithmetic number, because the mean of its divisors is an integer number (144900).

2⁵⁵⁰⁶⁰¹ is an apocalyptic number.

It is an amenable number.

550601 is a deficient number, since it is larger than the sum of its proper divisors (28999).

550601 is a wasteful number, since it uses less digits than its factorization.

550601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28998.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 550601 is about 742.0249321957. The cubic root of 550601 is about 81.9619593531.

Adding to 550601 its reverse (106055), we get a palindrome (656656).

The spelling of 550601 in words is "five hundred fifty thousand, six hundred one".