550761 has 4 divisors (see below), whose sum is σ = 734352. Its totient is φ = 367172.

The previous prime is 550757. The next prime is 550763. The reversal of 550761 is 167055.

550761 is nontrivially palindromic in base 5.

550761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 550761 - 2² = 550757 is a prime.

It is a D-number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 550761.

It is not an unprimeable number, because it can be changed into a prime (550763) 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, 91791 + ... + 91796.

It is an arithmetic number, because the mean of its divisors is an integer number (183588).

2⁵⁵⁰⁷⁶¹ is an apocalyptic number.

It is an amenable number.

550761 is a deficient number, since it is larger than the sum of its proper divisors (183591).

550761 is a wasteful number, since it uses less digits than its factorization.

550761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183590.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 550761 is about 742.1327374533. The cubic root of 550761 is about 81.9698977352.

The spelling of 550761 in words is "five hundred fifty thousand, seven hundred sixty-one".