551064343 has 4 divisors (see below), whose sum is σ = 551972800. Its totient is φ = 550155888.

The previous prime is 551064287. The next prime is 551064413. The reversal of 551064343 is 343460155.

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

It is a cyclic number.

It is not a de Polignac number, because 551064343 - 2²⁵ = 517509911 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 (551065343) 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, 453318 + ... + 454531.

It is an arithmetic number, because the mean of its divisors is an integer number (137993200).

Almost surely, 2^551064343 is an apocalyptic number.

551064343 is a deficient number, since it is larger than the sum of its proper divisors (908457).

551064343 is an equidigital number, since it uses as much as digits as its factorization.

551064343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908456.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 551064343 is about 23474.7597005805. The cubic root of 551064343 is about 819.8494384484.

The spelling of 551064343 in words is "five hundred fifty-one million, sixty-four thousand, three hundred forty-three".