551343355 has 4 divisors (see below), whose sum is σ = 661612032. Its totient is φ = 441074680.

The previous prime is 551343347. The next prime is 551343383. The reversal of 551343355 is 553343155.

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

It is not a de Polignac number, because 551343355 - 2³ = 551343347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 551343355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55134331 + ... + 55134340.

It is an arithmetic number, because the mean of its divisors is an integer number (165403008).

Almost surely, 2^551343355 is an apocalyptic number.

551343355 is a deficient number, since it is larger than the sum of its proper divisors (110268677).

551343355 is a wasteful number, since it uses less digits than its factorization.

551343355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110268676.

The product of its digits is 67500, while the sum is 34.

The square root of 551343355 is about 23480.7017569748. The cubic root of 551343355 is about 819.9877823879.

The spelling of 551343355 in words is "five hundred fifty-one million, three hundred forty-three thousand, three hundred fifty-five".