5550000499991 has 8 divisors (see below), whose sum is σ = 5551801700064. Its totient is φ = 5548199565600.

The previous prime is 5550000499969. The next prime is 5550000500003. The reversal of 5550000499991 is 1999940000555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5550000499991 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 (5550000499951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46985681 + ... + 47103653.

It is an arithmetic number, because the mean of its divisors is an integer number (693975212508).

Almost surely, 2^{5550000499991} is an apocalyptic number.

5550000499991 is a deficient number, since it is larger than the sum of its proper divisors (1801200073).

5550000499991 is a wasteful number, since it uses less digits than its factorization.

5550000499991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132841.

The product of its (nonzero) digits is 3280500, while the sum is 56.

The spelling of 5550000499991 in words is "five trillion, five hundred fifty billion, four hundred ninety-nine thousand, nine hundred ninety-one".