550422341644 has 48 divisors (see below), whose sum is σ = 1124541508608. Its totient is φ = 230819851008.

The previous prime is 550422341593. The next prime is 550422341659. The reversal of 550422341644 is 446143224055.

It is a junction number, because it is equal to n+sod(n) for n = 550422341597 and 550422341606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5574327 + ... + 5672209.

It is an arithmetic number, because the mean of its divisors is an integer number (23427948096).

Almost surely, 2^550422341644 is an apocalyptic number.

It is an amenable number.

550422341644 is an abundant number, since it is smaller than the sum of its proper divisors (574119166964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550422341644 is a wasteful number, since it uses less digits than its factorization.

550422341644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102214 (or 102212 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 550422341644 its reverse (446143224055), we get a palindrome (996565565699).

The spelling of 550422341644 in words is "five hundred fifty billion, four hundred twenty-two million, three hundred forty-one thousand, six hundred forty-four".