551324403 has 12 divisors (see below), whose sum is σ = 910122928. Its totient is φ = 315042480.

The previous prime is 551324393. The next prime is 551324407. The reversal of 551324403 is 304423155.

551324403 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 551324403 - 2¹² = 551320307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551324407) 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, 4375528 + ... + 4375653.

Almost surely, 2^551324403 is an apocalyptic number.

551324403 is a deficient number, since it is larger than the sum of its proper divisors (358798525).

551324403 is a wasteful number, since it uses less digits than its factorization.

551324403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8751194 (or 8751191 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 551324403 is about 23480.2981880554. The cubic root of 551324403 is about 819.9783867990.

Adding to 551324403 its reverse (304423155), we get a palindrome (855747558).

The spelling of 551324403 in words is "five hundred fifty-one million, three hundred twenty-four thousand, four hundred three".