550851 has 16 divisors (see below), whose sum is σ = 889344. Its totient is φ = 296064.

The previous prime is 550843. The next prime is 550859. The reversal of 550851 is 158055.

550851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (550843) and next prime (550859).

It is not a de Polignac number, because 550851 - 2³ = 550843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415 + ... + 1128.

It is an arithmetic number, because the mean of its divisors is an integer number (55584).

2⁵⁵⁰⁸⁵¹ is an apocalyptic number.

550851 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

550851 is a deficient number, since it is larger than the sum of its proper divisors (338493).

550851 is a wasteful number, since it uses less digits than its factorization.

550851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 550851 is about 742.1933710294. The cubic root of 550851 is about 81.9743623996.

The spelling of 550851 in words is "five hundred fifty thousand, eight hundred fifty-one".