550544361 has 16 divisors (see below), whose sum is σ = 775156800. Its totient is φ = 346603968.

The previous prime is 550544317. The next prime is 550544383. The reversal of 550544361 is 163445055.

It is not a de Polignac number, because 550544361 - 2⁶ = 550544297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550544311) 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 15 ways as a sum of consecutive naturals, for example, 2835 + ... + 33303.

It is an arithmetic number, because the mean of its divisors is an integer number (48447300).

Almost surely, 2^550544361 is an apocalyptic number.

It is an amenable number.

550544361 is a deficient number, since it is larger than the sum of its proper divisors (224612439).

550544361 is a wasteful number, since it uses less digits than its factorization.

550544361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30808.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 550544361 is about 23463.6817443469. The cubic root of 550544361 is about 819.5914884688.

The spelling of 550544361 in words is "five hundred fifty million, five hundred forty-four thousand, three hundred sixty-one".