551344144 has 40 divisors (see below), whose sum is σ = 1169925120. Its totient is φ = 250147968.

The previous prime is 551344117. The next prime is 551344177. The reversal of 551344144 is 441443155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10192 + ... + 34735.

It is an arithmetic number, because the mean of its divisors is an integer number (29248128).

Almost surely, 2^551344144 is an apocalyptic number.

It is an amenable number.

551344144 is an abundant number, since it is smaller than the sum of its proper divisors (618580976).

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

551344144 is a wasteful number, since it uses less digits than its factorization.

551344144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45007 (or 45001 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 551344144 is about 23480.7185579999. The cubic root of 551344144 is about 819.9881735356.

Adding to 551344144 its reverse (441443155), we get a palindrome (992787299).

The spelling of 551344144 in words is "five hundred fifty-one million, three hundred forty-four thousand, one hundred forty-four".