551122345 has 4 divisors (see below), whose sum is σ = 661346820. Its totient is φ = 440897872.

The previous prime is 551122339. The next prime is 551122361. The reversal of 551122345 is 543221155.

551122345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543221155 = 5 ⋅108644231.

It can be written as a sum of positive squares in 2 ways, for example, as 75533481 + 475588864 = 8691^2 + 21808^2 .

It is a cyclic number.

It is not a de Polignac number, because 551122345 - 2⁷ = 551122217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55112230 + ... + 55112239.

It is an arithmetic number, because the mean of its divisors is an integer number (165336705).

Almost surely, 2^551122345 is an apocalyptic number.

It is an amenable number.

551122345 is a deficient number, since it is larger than the sum of its proper divisors (110224475).

551122345 is a wasteful number, since it uses less digits than its factorization.

551122345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110224474.

The product of its digits is 6000, while the sum is 28.

The square root of 551122345 is about 23475.9950800813. The cubic root of 551122345 is about 819.8782017193.

The spelling of 551122345 in words is "five hundred fifty-one million, one hundred twenty-two thousand, three hundred forty-five".