550216343303 has 4 divisors (see below), whose sum is σ = 600236010888. Its totient is φ = 500196675720.

The previous prime is 550216343279. The next prime is 550216343317. The reversal of 550216343303 is 303343612055.

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

It is a cyclic number.

It is not a de Polignac number, because 550216343303 - 2²² = 550212148999 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 (550216343363) 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, 25009833776 + ... + 25009833797.

It is an arithmetic number, because the mean of its divisors is an integer number (150059002722).

Almost surely, 2^550216343303 is an apocalyptic number.

550216343303 is a deficient number, since it is larger than the sum of its proper divisors (50019667585).

550216343303 is a wasteful number, since it uses less digits than its factorization.

550216343303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50019667584.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 550216343303 its reverse (303343612055), we get a palindrome (853559955358).

The spelling of 550216343303 in words is "five hundred fifty billion, two hundred sixteen million, three hundred forty-three thousand, three hundred three".