550251 has 12 divisors (see below), whose sum is σ = 856128. Its totient is φ = 338544.

The previous prime is 550241. The next prime is 550267. The reversal of 550251 is 152055.

550251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550251 - 2⁹ = 549739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2235 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (71344).

2⁵⁵⁰²⁵¹ is an apocalyptic number.

550251 is a deficient number, since it is larger than the sum of its proper divisors (305877).

550251 is a wasteful number, since it uses less digits than its factorization.

550251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 18.

The square root of 550251 is about 741.7890535725. The cubic root of 550251 is about 81.9445887790.

The spelling of 550251 in words is "five hundred fifty thousand, two hundred fifty-one".