550400222004 has 12 divisors (see below), whose sum is σ = 1284267184704. Its totient is φ = 183466740664.

The previous prime is 550400221981. The next prime is 550400222017. The reversal of 550400222004 is 400222004055.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22933342572 + ... + 22933342595.

It is an arithmetic number, because the mean of its divisors is an integer number (107022265392).

Almost surely, 2^550400222004 is an apocalyptic number.

It is an amenable number.

550400222004 is an abundant number, since it is smaller than the sum of its proper divisors (733866962700).

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

550400222004 is a wasteful number, since it uses less digits than its factorization.

550400222004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45866685174 (or 45866685172 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 550400222004 its reverse (400222004055), we get a palindrome (950622226059).

The spelling of 550400222004 in words is "five hundred fifty billion, four hundred million, two hundred twenty-two thousand, four".