550120345 has 8 divisors (see below), whose sum is σ = 662140800. Its totient is φ = 438765360.

The previous prime is 550120339. The next prime is 550120379. The reversal of 550120345 is 543021055.

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

It is not a de Polignac number, because 550120345 - 2⁷ = 550120217 is a prime.

It is an unprimeable number.

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, 164545 + ... + 167854.

It is an arithmetic number, because the mean of its divisors is an integer number (82767600).

Almost surely, 2^550120345 is an apocalyptic number.

It is an amenable number.

550120345 is a deficient number, since it is larger than the sum of its proper divisors (112020455).

550120345 is a wasteful number, since it uses less digits than its factorization.

550120345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332735.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550120345 is about 23454.6444228004. The cubic root of 550120345 is about 819.3810245567.

The spelling of 550120345 in words is "five hundred fifty million, one hundred twenty thousand, three hundred forty-five".