550563656645 has 8 divisors (see below), whose sum is σ = 666850934304. Its totient is φ = 436334561104.

The previous prime is 550563656563. The next prime is 550563656651. The reversal of 550563656645 is 546656365055.

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 550563656645 - 2⁸ = 550563656389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514544939 + ... + 514546008.

It is an arithmetic number, because the mean of its divisors is an integer number (83356366788).

Almost surely, 2^550563656645 is an apocalyptic number.

It is an amenable number.

550563656645 is a deficient number, since it is larger than the sum of its proper divisors (116287277659).

550563656645 is a wasteful number, since it uses less digits than its factorization.

550563656645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029091059.

The product of its (nonzero) digits is 48600000, while the sum is 56.

The spelling of 550563656645 in words is "five hundred fifty billion, five hundred sixty-three million, six hundred fifty-six thousand, six hundred forty-five".