550345054340 has 24 divisors (see below), whose sum is σ = 1156531181400. Its totient is φ = 219984389888.

The previous prime is 550345054333. The next prime is 550345054349. The reversal of 550345054340 is 43450543055.

It can be written as a sum of positive squares in 4 ways, for example, as 331515699076 + 218829355264 = 575774^2 + 467792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550345054294 and 550345054303.

It is not an unprimeable number, because it can be changed into a prime (550345054349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9572615 + ... + 9629934.

It is an arithmetic number, because the mean of its divisors is an integer number (48188799225).

Almost surely, 2^550345054340 is an apocalyptic number.

It is an amenable number.

550345054340 is an abundant number, since it is smaller than the sum of its proper divisors (606186127060).

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

550345054340 is a wasteful number, since it uses less digits than its factorization.

550345054340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19203991 (or 19203989 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 550345054340 its reverse (43450543055), we get a palindrome (593795597395).

The spelling of 550345054340 in words is "five hundred fifty billion, three hundred forty-five million, fifty-four thousand, three hundred forty".