550865441 has 8 divisors (see below), whose sum is σ = 639881664. Its totient is φ = 464429520.

The previous prime is 550865407. The next prime is 550865459. The reversal of 550865441 is 144568055.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 550865441 - 2⁶ = 550865377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550865395 and 550865404.

It is not an unprimeable number, because it can be changed into a prime (550865041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644615 + ... + 645468.

It is an arithmetic number, because the mean of its divisors is an integer number (79985208).

Almost surely, 2^550865441 is an apocalyptic number.

It is an amenable number.

550865441 is a deficient number, since it is larger than the sum of its proper divisors (89016223).

550865441 is a wasteful number, since it uses less digits than its factorization.

550865441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290151.

The product of its (nonzero) digits is 96000, while the sum is 38.

The square root of 550865441 is about 23470.5228105383. The cubic root of 550865441 is about 819.7507873450.

The spelling of 550865441 in words is "five hundred fifty million, eight hundred sixty-five thousand, four hundred forty-one".