550091823691 has 4 divisors (see below), whose sum is σ = 550094671000. Its totient is φ = 550088976384.

The previous prime is 550091823637. The next prime is 550091823727. The reversal of 550091823691 is 196328190055.

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

It is a cyclic number.

It is not a de Polignac number, because 550091823691 - 2²¹ = 550089726539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550091823191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110966 + ... + 1527883.

It is an arithmetic number, because the mean of its divisors is an integer number (137523667750).

Almost surely, 2^550091823691 is an apocalyptic number.

550091823691 is a deficient number, since it is larger than the sum of its proper divisors (2847309).

550091823691 is a wasteful number, since it uses less digits than its factorization.

550091823691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2847308.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 550091823691 in words is "five hundred fifty billion, ninety-one million, eight hundred twenty-three thousand, six hundred ninety-one".