551029 has 4 divisors (see below), whose sum is σ = 570060. Its totient is φ = 532000.

The previous prime is 551027. The next prime is 551039. The reversal of 551029 is 920155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 920155 = 5 ⋅184031.

It can be written as a sum of positive squares in 2 ways, for example, as 178929 + 372100 = 423^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 551029 - 2¹ = 551027 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9472 + ... + 9529.

It is an arithmetic number, because the mean of its divisors is an integer number (142515).

2⁵⁵¹⁰²⁹ is an apocalyptic number.

It is an amenable number.

551029 is a deficient number, since it is larger than the sum of its proper divisors (19031).

551029 is a wasteful number, since it uses less digits than its factorization.

551029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 551029 is about 742.3132761847. The cubic root of 551029 is about 81.9831910817.

The spelling of 551029 in words is "five hundred fifty-one thousand, twenty-nine".