551311343 has 8 divisors (see below), whose sum is σ = 636809040. Its totient is φ = 471710080.

The previous prime is 551311333. The next prime is 551311361. The reversal of 551311343 is 343113155.

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 551311343 - 2⁶ = 551311279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551311333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473908 + ... + 1474281.

It is an arithmetic number, because the mean of its divisors is an integer number (79601130).

Almost surely, 2^551311343 is an apocalyptic number.

551311343 is a deficient number, since it is larger than the sum of its proper divisors (85497697).

551311343 is a wasteful number, since it uses less digits than its factorization.

551311343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948217.

The product of its digits is 2700, while the sum is 26.

The square root of 551311343 is about 23480.0200809113. The cubic root of 551311343 is about 819.9719120857.

Adding to 551311343 its reverse (343113155), we get a palindrome (894424498).

The spelling of 551311343 in words is "five hundred fifty-one million, three hundred eleven thousand, three hundred forty-three".