551324554313 has 4 divisors (see below), whose sum is σ = 593734135428. Its totient is φ = 508914973200.

The previous prime is 551324554307. The next prime is 551324554337. The reversal of 551324554313 is 313455423155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316397250064 + 234927304249 = 562492^2 + 484693^2 .

It is a cyclic number.

It is not a de Polignac number, because 551324554313 - 2²⁰ = 551323505737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551324554343) 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, 21204790538 + ... + 21204790563.

It is an arithmetic number, because the mean of its divisors is an integer number (148433533857).

Almost surely, 2^551324554313 is an apocalyptic number.

It is an amenable number.

551324554313 is a deficient number, since it is larger than the sum of its proper divisors (42409581115).

551324554313 is a wasteful number, since it uses less digits than its factorization.

551324554313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42409581114.

The product of its digits is 540000, while the sum is 41.

Adding to 551324554313 its reverse (313455423155), we get a palindrome (864779977468).

The spelling of 551324554313 in words is "five hundred fifty-one billion, three hundred twenty-four million, five hundred fifty-four thousand, three hundred thirteen".