550552143424244 has 72 divisors (see below), whose sum is σ = 1098283668300000. Its totient is φ = 240706610561664.

The previous prime is 550552143424243. The next prime is 550552143424249. The reversal of 550552143424244 is 442424341255055.

It is a junction number, because it is equal to n+sod(n) for n = 550552143424192 and 550552143424201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550552143424243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148429982 + ... + 152093930.

It is an arithmetic number, because the mean of its divisors is an integer number (15253939837500).

Almost surely, 2^{550552143424244} is an apocalyptic number.

It is an amenable number.

550552143424244 is a deficient number, since it is larger than the sum of its proper divisors (547731524875756).

550552143424244 is a wasteful number, since it uses less digits than its factorization.

550552143424244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3675697 (or 3675682 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 50.

Adding to 550552143424244 its reverse (442424341255055), we get a palindrome (992976484679299).

The spelling of 550552143424244 in words is "five hundred fifty trillion, five hundred fifty-two billion, one hundred forty-three million, four hundred twenty-four thousand, two hundred forty-four".