550501338566 has 8 divisors (see below), whose sum is σ = 826320320544. Its totient is φ = 275061231720.

The previous prime is 550501338557. The next prime is 550501338593. The reversal of 550501338566 is 665833105055.

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

It is a self number, because there is not a number n which added to its sum of digits gives 550501338566.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 94715150 + ... + 94720961.

It is an arithmetic number, because the mean of its divisors is an integer number (103290040068).

Almost surely, 2^550501338566 is an apocalyptic number.

550501338566 is a deficient number, since it is larger than the sum of its proper divisors (275818981978).

550501338566 is a wasteful number, since it uses less digits than its factorization.

550501338566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189437566.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 550501338566 in words is "five hundred fifty billion, five hundred one million, three hundred thirty-eight thousand, five hundred sixty-six".