550018386671 has 8 divisors (see below), whose sum is σ = 592345020960. Its totient is φ = 507694256352.

The previous prime is 550018386611. The next prime is 550018386689. The reversal of 550018386671 is 176683810055.

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 550018386671 - 2²² = 550014192367 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 (550018386611) 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 7 ways as a sum of consecutive naturals, for example, 156740 + ... + 1060473.

It is an arithmetic number, because the mean of its divisors is an integer number (74043127620).

Almost surely, 2^550018386671 is an apocalyptic number.

550018386671 is a deficient number, since it is larger than the sum of its proper divisors (42326634289).

550018386671 is a wasteful number, since it uses less digits than its factorization.

550018386671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251985.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 550018386671 in words is "five hundred fifty billion, eighteen million, three hundred eighty-six thousand, six hundred seventy-one".