550245424121 has 16 divisors (see below), whose sum is σ = 576390168576. Its totient is φ = 524635650000.

The previous prime is 550245424117. The next prime is 550245424123. The reversal of 550245424121 is 121424542055.

It is a cyclic number.

It is not a de Polignac number, because 550245424121 - 2² = 550245424117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550245424123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3152696 + ... + 3322646.

It is an arithmetic number, because the mean of its divisors is an integer number (36024385536).

Almost surely, 2^550245424121 is an apocalyptic number.

It is an amenable number.

550245424121 is a deficient number, since it is larger than the sum of its proper divisors (26144744455).

550245424121 is a wasteful number, since it uses less digits than its factorization.

550245424121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171524.

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 550245424121 its reverse (121424542055), we get a palindrome (671669966176).

The spelling of 550245424121 in words is "five hundred fifty billion, two hundred forty-five million, four hundred twenty-four thousand, one hundred twenty-one".