550401420324 has 48 divisors (see below), whose sum is σ = 1489643660288. Its totient is φ = 154910419488.

The previous prime is 550401420293. The next prime is 550401420343. The reversal of 550401420324 is 423024104055.

It is a junction number, because it is equal to n+sod(n) for n = 550401420291 and 550401420300.

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, 48892864 + ... + 48904119.

Almost surely, 2^550401420324 is an apocalyptic number.

It is an amenable number.

550401420324 is an abundant number, since it is smaller than the sum of its proper divisors (939242239964).

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

550401420324 is a wasteful number, since it uses less digits than its factorization.

550401420324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97797064 (or 97797062 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 550401420324 its reverse (423024104055), we get a palindrome (973425524379).

The spelling of 550401420324 in words is "five hundred fifty billion, four hundred one million, four hundred twenty thousand, three hundred twenty-four".