550919216447 has 4 divisors (see below), whose sum is σ = 556598796096. Its totient is φ = 545239636800.

The previous prime is 550919216423. The next prime is 550919216467. The reversal of 550919216447 is 744612919055.

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

It is a cyclic number.

It is not a de Polignac number, because 550919216447 - 2¹⁰ = 550919215423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550919216467) by changing a digit.

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, 2839789679 + ... + 2839789872.

It is an arithmetic number, because the mean of its divisors is an integer number (139149699024).

Almost surely, 2^550919216447 is an apocalyptic number.

550919216447 is a deficient number, since it is larger than the sum of its proper divisors (5679579649).

550919216447 is an equidigital number, since it uses as much as digits as its factorization.

550919216447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5679579648.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 550919216447 in words is "five hundred fifty billion, nine hundred nineteen million, two hundred sixteen thousand, four hundred forty-seven".