551706 has 8 divisors (see below), whose sum is σ = 1103424. Its totient is φ = 183900.

The previous prime is 551693. The next prime is 551713. The reversal of 551706 is 607155.

It is a sphenic number, since it is the product of 3 distinct primes.

551706 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45970 + ... + 45981.

It is an arithmetic number, because the mean of its divisors is an integer number (137928).

2⁵⁵¹⁷⁰⁶ is an apocalyptic number.

551706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551706 is a wasteful number, since it uses less digits than its factorization.

551706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91956.

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

The square root of 551706 is about 742.7691431394. The cubic root of 551706 is about 82.0167524765.

The spelling of 551706 in words is "five hundred fifty-one thousand, seven hundred six".