550642678359 has 4 divisors (see below), whose sum is σ = 734190237816. Its totient is φ = 367095118904.

The previous prime is 550642678331. The next prime is 550642678403. The reversal of 550642678359 is 953876246055.

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 550642678359 - 2⁹ = 550642677847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550642678459) 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 3 ways as a sum of consecutive naturals, for example, 91773779724 + ... + 91773779729.

It is an arithmetic number, because the mean of its divisors is an integer number (183547559454).

Almost surely, 2^550642678359 is an apocalyptic number.

550642678359 is a deficient number, since it is larger than the sum of its proper divisors (183547559457).

550642678359 is a wasteful number, since it uses less digits than its factorization.

550642678359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183547559456.

The product of its (nonzero) digits is 54432000, while the sum is 60.

The spelling of 550642678359 in words is "five hundred fifty billion, six hundred forty-two million, six hundred seventy-eight thousand, three hundred fifty-nine".