551355313 has 8 divisors (see below), whose sum is σ = 553737800. Its totient is φ = 548978688.

The previous prime is 551355293. The next prime is 551355341. The reversal of 551355313 is 313553155.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40233649 + 511121664 = 6343^2 + 22608^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551355313 - 2²⁹ = 14484401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551355353) 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 7 ways as a sum of consecutive naturals, for example, 313645 + ... + 315397.

It is an arithmetic number, because the mean of its divisors is an integer number (69217225).

Almost surely, 2^551355313 is an apocalyptic number.

It is an amenable number.

551355313 is a deficient number, since it is larger than the sum of its proper divisors (2382487).

551355313 is a wasteful number, since it uses less digits than its factorization.

551355313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931.

The product of its digits is 16875, while the sum is 31.

The square root of 551355313 is about 23480.9563902325. The cubic root of 551355313 is about 819.9937105407.

The spelling of 551355313 in words is "five hundred fifty-one million, three hundred fifty-five thousand, three hundred thirteen".