550964493661 has 8 divisors (see below), whose sum is σ = 558823731264. Its totient is φ = 543108011040.

The previous prime is 550964493613. The next prime is 550964493679. The reversal of 550964493661 is 166394469055.

It is a happy number.

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 550964493661 - 2⁷ = 550964493533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550964493596 and 550964493605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550964493601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284235 + ... + 1087528.

It is an arithmetic number, because the mean of its divisors is an integer number (69852966408).

Almost surely, 2^550964493661 is an apocalyptic number.

It is an amenable number.

550964493661 is a deficient number, since it is larger than the sum of its proper divisors (7859237603).

550964493661 is a wasteful number, since it uses less digits than its factorization.

550964493661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377491.

The product of its (nonzero) digits is 20995200, while the sum is 58.

The spelling of 550964493661 in words is "five hundred fifty billion, nine hundred sixty-four million, four hundred ninety-three thousand, six hundred sixty-one".