551170 has 8 divisors (see below), whose sum is σ = 992124. Its totient is φ = 220464.

The previous prime is 551143. The next prime is 551179. The reversal of 551170 is 71155.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 31329 = 721^2 + 177^2 .

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

It is not an unprimeable number, because it can be changed into a prime (551179) by changing a digit.

551170 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27549 + ... + 27568.

2⁵⁵¹¹⁷⁰ is an apocalyptic number.

551170 is a deficient number, since it is larger than the sum of its proper divisors (440954).

551170 is a wasteful number, since it uses less digits than its factorization.

551170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55124.

The product of its (nonzero) digits is 175, while the sum is 19.

The square root of 551170 is about 742.4082434887. The cubic root of 551170 is about 81.9901832389.

It can be divided in two parts, 55 and 1170, that added together give a triangular number (1225 = T₄₉).

The spelling of 551170 in words is "five hundred fifty-one thousand, one hundred seventy".