550771 has 6 divisors (see below), whose sum is σ = 596580. Its totient is φ = 508248.

The previous prime is 550763. The next prime is 550789. The reversal of 550771 is 177055.

It is not a de Polignac number, because 550771 - 2³ = 550763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550721) 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 in 5 ways as a sum of consecutive naturals, for example, 1461 + ... + 1798.

It is an arithmetic number, because the mean of its divisors is an integer number (99430).

2⁵⁵⁰⁷⁷¹ is an apocalyptic number.

550771 is a deficient number, since it is larger than the sum of its proper divisors (45809).

550771 is a wasteful number, since it uses less digits than its factorization.

550771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 550771 is about 742.1394747620. The cubic root of 550771 is about 81.9703938331.

The spelling of 550771 in words is "five hundred fifty thousand, seven hundred seventy-one".