550004311313 has 4 divisors (see below), whose sum is σ = 550022572260. Its totient is φ = 549986050368.

The previous prime is 550004311217. The next prime is 550004311333. The reversal of 550004311313 is 313113400055.

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 382774841344 + 167229469969 = 618688^2 + 408937^2 .

It is a cyclic number.

It is not a de Polignac number, because 550004311313 - 2⁸ = 550004311057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550004311333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9085220 + ... + 9145557.

It is an arithmetic number, because the mean of its divisors is an integer number (137505643065).

Almost surely, 2^550004311313 is an apocalyptic number.

It is an amenable number.

550004311313 is a deficient number, since it is larger than the sum of its proper divisors (18260947).

550004311313 is a wasteful number, since it uses less digits than its factorization.

550004311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18260946.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 550004311313 its reverse (313113400055), we get a palindrome (863117711368).

The spelling of 550004311313 in words is "five hundred fifty billion, four million, three hundred eleven thousand, three hundred thirteen".