553431344 has 20 divisors (see below), whose sum is σ = 1106863680. Its totient is φ = 267789120.

The previous prime is 553431343. The next prime is 553431349. The reversal of 553431344 is 443134355.

553431344 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 553431344.

It is not an unprimeable number, because it can be changed into a prime (553431343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557399 + ... + 558390.

It is an arithmetic number, because the mean of its divisors is an integer number (55343184).

Almost surely, 2^553431344 is an apocalyptic number.

It is an amenable number.

553431344 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

553431344 is a wasteful number, since it uses less digits than its factorization.

553431344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115828 (or 1115822 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 553431344 is about 23525.1215512269. The cubic root of 553431344 is about 821.0216019751.

Adding to 553431344 its reverse (443134355), we get a palindrome (996565699).

The spelling of 553431344 in words is "five hundred fifty-three million, four hundred thirty-one thousand, three hundred forty-four".