551404441 has 16 divisors (see below), whose sum is σ = 641700864. Its totient is φ = 464060304.

The previous prime is 551404433. The next prime is 551404487. The reversal of 551404441 is 144404155.

551404441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 551404441 - 2³ = 551404433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551404541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94186 + ... + 99868.

It is an arithmetic number, because the mean of its divisors is an integer number (40106304).

Almost surely, 2^551404441 is an apocalyptic number.

It is an amenable number.

551404441 is a deficient number, since it is larger than the sum of its proper divisors (90296423).

551404441 is a wasteful number, since it uses less digits than its factorization.

551404441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5940.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 551404441 is about 23482.0024912698. The cubic root of 551404441 is about 820.0180647418.

Adding to 551404441 its reverse (144404155), we get a palindrome (695808596).

The spelling of 551404441 in words is "five hundred fifty-one million, four hundred four thousand, four hundred forty-one".