550404122124 has 12 divisors (see below), whose sum is σ = 1284276284984. Its totient is φ = 183468040704.

The previous prime is 550404122119. The next prime is 550404122143. The reversal of 550404122124 is 421221404055.

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

It is a super-2 number, since 2×550404122124² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 550404122091 and 550404122100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22933505077 + ... + 22933505100.

Almost surely, 2^550404122124 is an apocalyptic number.

It is an amenable number.

550404122124 is an abundant number, since it is smaller than the sum of its proper divisors (733872162860).

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

550404122124 is a wasteful number, since it uses less digits than its factorization.

550404122124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45867010184 (or 45867010182 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 550404122124 its reverse (421221404055), we get a palindrome (971625526179).

The spelling of 550404122124 in words is "five hundred fifty billion, four hundred four million, one hundred twenty-two thousand, one hundred twenty-four".