551226344 has 16 divisors (see below), whose sum is σ = 1036022400. Its totient is φ = 274953712.

The previous prime is 551226337. The next prime is 551226367. The reversal of 551226344 is 443622155.

It is a self number, because there is not a number n which added to its sum of digits gives 551226344.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78872 + ... + 85575.

It is an arithmetic number, because the mean of its divisors is an integer number (64751400).

Almost surely, 2^551226344 is an apocalyptic number.

It is an amenable number.

551226344 is a deficient number, since it is larger than the sum of its proper divisors (484796056).

551226344 is a wasteful number, since it uses less digits than its factorization.

551226344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164872 (or 164868 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 551226344 is about 23478.2099828756. The cubic root of 551226344 is about 819.9297699122.

Adding to 551226344 its reverse (443622155), we get a palindrome (994848499).

The spelling of 551226344 in words is "five hundred fifty-one million, two hundred twenty-six thousand, three hundred forty-four".