550505240430 has 32 divisors (see below), whose sum is σ = 1321946306208. Its totient is φ = 146719872000.

The previous prime is 550505240413. The next prime is 550505240431. The reversal of 550505240430 is 34042505055.

It is a junction number, because it is equal to n+sod(n) for n = 550505240391 and 550505240400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550505240431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5040411 + ... + 5148470.

It is an arithmetic number, because the mean of its divisors is an integer number (41310822069).

Almost surely, 2^550505240430 is an apocalyptic number.

550505240430 is an abundant number, since it is smaller than the sum of its proper divisors (771441065778).

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

550505240430 is a wasteful number, since it uses less digits than its factorization.

550505240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10190692.

The product of its (nonzero) digits is 60000, while the sum is 33.

Adding to 550505240430 its reverse (34042505055), we get a palindrome (584547745485).

The spelling of 550505240430 in words is "five hundred fifty billion, five hundred five million, two hundred forty thousand, four hundred thirty".