550552513879 has 4 divisors (see below), whose sum is σ = 555697864584. Its totient is φ = 545407163176.

The previous prime is 550552513859. The next prime is 550552513891. The reversal of 550552513879 is 978315255055.

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 550552513879 - 2³⁹ = 796699991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550552513859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2572675192 + ... + 2572675405.

It is an arithmetic number, because the mean of its divisors is an integer number (138924466146).

Almost surely, 2^550552513879 is an apocalyptic number.

550552513879 is a deficient number, since it is larger than the sum of its proper divisors (5145350705).

550552513879 is a wasteful number, since it uses less digits than its factorization.

550552513879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5145350704.

The product of its (nonzero) digits is 9450000, while the sum is 55.

The spelling of 550552513879 in words is "five hundred fifty billion, five hundred fifty-two million, five hundred thirteen thousand, eight hundred seventy-nine".