550221683639 has 8 divisors (see below), whose sum is σ = 597863969280. Its totient is φ = 504447723000.

The previous prime is 550221683623. The next prime is 550221683717. The reversal of 550221683639 is 936386122055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550221683639 - 2⁴ = 550221683623 is a prime.

It is a super-2 number, since 2×550221683639² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550221682639) 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 7 ways as a sum of consecutive naturals, for example, 467080637 + ... + 467081814.

It is an arithmetic number, because the mean of its divisors is an integer number (74732996160).

Almost surely, 2^550221683639 is an apocalyptic number.

550221683639 is a deficient number, since it is larger than the sum of its proper divisors (47642285641).

550221683639 is a wasteful number, since it uses less digits than its factorization.

550221683639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934162501.

The product of its (nonzero) digits is 2332800, while the sum is 50.

It can be divided in two parts, 5502216 and 83639, that added together give a palindrome (5585855).

The spelling of 550221683639 in words is "five hundred fifty billion, two hundred twenty-one million, six hundred eighty-three thousand, six hundred thirty-nine".