551130 has 16 divisors (see below), whose sum is σ = 1322784. Its totient is φ = 146960.

The previous prime is 551129. The next prime is 551143. The reversal of 551130 is 31155.

551130 = 330² + 331² + ... + 334².

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9156 + ... + 9215.

It is an arithmetic number, because the mean of its divisors is an integer number (82674).

2⁵⁵¹¹³⁰ is an apocalyptic number.

551130 is an abundant number, since it is smaller than the sum of its proper divisors (771654).

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

551130 is a wasteful number, since it uses less digits than its factorization.

551130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18381.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 551130 is about 742.3813036439. The cubic root of 551130 is about 81.9881997693.

Adding to 551130 its reverse (31155), we get a palindrome (582285).

The spelling of 551130 in words is "five hundred fifty-one thousand, one hundred thirty".