551044224 has 96 divisors (see below), whose sum is σ = 1593905040. Its totient is φ = 182730240.

The previous prime is 551044211. The next prime is 551044229. The reversal of 551044224 is 422440155.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (551044229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241939 + ... + 244205.

Almost surely, 2^551044224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796952520).

551044224 is an abundant number, since it is smaller than the sum of its proper divisors (1042860816).

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

551044224 is a wasteful number, since it uses less digits than its factorization.

551044224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2498 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 551044224 is about 23474.3311725808. The cubic root of 551044224 is about 819.8394609375.

Adding to 551044224 its reverse (422440155), we get a palindrome (973484379).

The spelling of 551044224 in words is "five hundred fifty-one million, forty-four thousand, two hundred twenty-four".