551495 has 12 divisors (see below), whose sum is σ = 770184. Its totient is φ = 378000.

The previous prime is 551489. The next prime is 551503. The reversal of 551495 is 594155.

It is not a de Polignac number, because 551495 - 2¹⁰ = 550471 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (64182).

2⁵⁵¹⁴⁹⁵ is an apocalyptic number.

551495 is a deficient number, since it is larger than the sum of its proper divisors (218689).

551495 is a wasteful number, since it uses less digits than its factorization.

551495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270 (or 2263 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 551495 is about 742.6270934998. The cubic root of 551495 is about 82.0062953723.

The spelling of 551495 in words is "five hundred fifty-one thousand, four hundred ninety-five".