551064 has 16 divisors (see below), whose sum is σ = 1377720. Its totient is φ = 183680.

The previous prime is 551063. The next prime is 551069. The reversal of 551064 is 460155.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 551064.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11457 + ... + 11504.

2⁵⁵¹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

551064 is an abundant number, since it is smaller than the sum of its proper divisors (826656).

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

551064 is a wasteful number, since it uses less digits than its factorization.

551064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22970 (or 22966 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 551064 is about 742.3368507625. The cubic root of 551064 is about 81.9849268348.

Subtracting from 551064 its reverse (460155), we obtain a palindrome (90909).

The spelling of 551064 in words is "five hundred fifty-one thousand, sixty-four".