550321512134 has 32 divisors (see below), whose sum is σ = 852041880576. Its totient is φ = 266383542240.

The previous prime is 550321512107. The next prime is 550321512149. The reversal of 550321512134 is 431215123055.

It is a self number, because there is not a number n which added to its sum of digits gives 550321512134.

It is a congruent number.

It is an unprimeable number.

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, 30613769 + ... + 30631739.

It is an arithmetic number, because the mean of its divisors is an integer number (26626308768).

Almost surely, 2^550321512134 is an apocalyptic number.

550321512134 is a deficient number, since it is larger than the sum of its proper divisors (301720368442).

550321512134 is a wasteful number, since it uses less digits than its factorization.

550321512134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20060.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 550321512134 its reverse (431215123055), we get a palindrome (981536635189).

The spelling of 550321512134 in words is "five hundred fifty billion, three hundred twenty-one million, five hundred twelve thousand, one hundred thirty-four".