550216201543 has 4 divisors (see below), whose sum is σ = 569189174040. Its totient is φ = 531243229048.

The previous prime is 550216201523. The next prime is 550216201559. The reversal of 550216201543 is 345102612055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550216201543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550216201499 and 550216201508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550216201523) 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, 9486486205 + ... + 9486486262.

It is an arithmetic number, because the mean of its divisors is an integer number (142297293510).

Almost surely, 2^550216201543 is an apocalyptic number.

550216201543 is a deficient number, since it is larger than the sum of its proper divisors (18972972497).

550216201543 is a wasteful number, since it uses less digits than its factorization.

550216201543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18972972496.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 550216201543 its reverse (345102612055), we get a palindrome (895318813598).

The spelling of 550216201543 in words is "five hundred fifty billion, two hundred sixteen million, two hundred one thousand, five hundred forty-three".