550211401044 has 72 divisors (see below), whose sum is σ = 1536651829440. Its totient is φ = 165110322432.

The previous prime is 550211401043. The next prime is 550211401049. The reversal of 550211401044 is 440104112055.

550211401044 is a `hidden beast` number, since 5 + 5 + 0 + 211 + 401 + 0 + 44 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 550211400999 and 550211401017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550211401043) 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 23 ways as a sum of consecutive naturals, for example, 19530234 + ... + 19558385.

It is an arithmetic number, because the mean of its divisors is an integer number (21342386520).

Almost surely, 2^550211401044 is an apocalyptic number.

It is an amenable number.

550211401044 is an abundant number, since it is smaller than the sum of its proper divisors (986440428396).

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

550211401044 is a wasteful number, since it uses less digits than its factorization.

550211401044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39088669 (or 39088664 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 550211401044 its reverse (440104112055), we get a palindrome (990315513099).

The spelling of 550211401044 in words is "five hundred fifty billion, two hundred eleven million, four hundred one thousand, forty-four".