550355040413 has 4 divisors (see below), whose sum is σ = 550356777468. Its totient is φ = 550353303360.

The previous prime is 550355040401. The next prime is 550355040449. The reversal of 550355040413 is 314040553055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 241172334649 + 309182705764 = 491093^2 + 556042^2 .

It is a cyclic number.

It is not a de Polignac number, because 550355040413 - 2²⁶ = 550287931549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550355040913) 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 3 ways as a sum of consecutive naturals, for example, 243206 + ... + 1076967.

It is an arithmetic number, because the mean of its divisors is an integer number (137589194367).

Almost surely, 2^550355040413 is an apocalyptic number.

It is an amenable number.

550355040413 is a deficient number, since it is larger than the sum of its proper divisors (1737055).

550355040413 is a wasteful number, since it uses less digits than its factorization.

550355040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737054.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 550355040413 its reverse (314040553055), we get a palindrome (864395593468).

The spelling of 550355040413 in words is "five hundred fifty billion, three hundred fifty-five million, forty thousand, four hundred thirteen".