551486 has 8 divisors (see below), whose sum is σ = 890904. Its totient is φ = 254520.

The previous prime is 551483. The next prime is 551489. The reversal of 551486 is 684155.

It is a happy number.

551486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (551483) and next prime (551489).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551483) 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, 10580 + ... + 10631.

It is an arithmetic number, because the mean of its divisors is an integer number (111363).

2⁵⁵¹⁴⁸⁶ is an apocalyptic number.

551486 is a deficient number, since it is larger than the sum of its proper divisors (339418).

551486 is a wasteful number, since it uses less digits than its factorization.

551486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21226.

The product of its digits is 4800, while the sum is 29.

The square root of 551486 is about 742.6210339063. The cubic root of 551486 is about 82.0058492754.

The spelling of 551486 in words is "five hundred fifty-one thousand, four hundred eighty-six".