550087559643 has 4 divisors (see below), whose sum is σ = 733450079528. Its totient is φ = 366725039760.

The previous prime is 550087559639. The next prime is 550087559711. The reversal of 550087559643 is 346955780055.

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

It is not a de Polignac number, because 550087559643 - 2² = 550087559639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550087559603) 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, 91681259938 + ... + 91681259943.

It is an arithmetic number, because the mean of its divisors is an integer number (183362519882).

Almost surely, 2^550087559643 is an apocalyptic number.

550087559643 is a deficient number, since it is larger than the sum of its proper divisors (183362519885).

550087559643 is a wasteful number, since it uses less digits than its factorization.

550087559643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183362519884.

The product of its (nonzero) digits is 22680000, while the sum is 57.

The spelling of 550087559643 in words is "five hundred fifty billion, eighty-seven million, five hundred fifty-nine thousand, six hundred forty-three".