5550221111997 has 8 divisors (see below), whose sum is σ = 7493969434240. Its totient is φ = 3653310098880.

The previous prime is 5550221111933. The next prime is 5550221112017. The reversal of 5550221111997 is 7991111220555.

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

It is not a de Polignac number, because 5550221111997 - 2⁶ = 5550221111933 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 (5550221111497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11709327004 + ... + 11709327477.

It is an arithmetic number, because the mean of its divisors is an integer number (936746179280).

Almost surely, 2^{5550221111997} is an apocalyptic number.

It is an amenable number.

5550221111997 is a deficient number, since it is larger than the sum of its proper divisors (1943748322243).

5550221111997 is a wasteful number, since it uses less digits than its factorization.

5550221111997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23418654563.

The product of its (nonzero) digits is 283500, while the sum is 48.

The spelling of 5550221111997 in words is "five trillion, five hundred fifty billion, two hundred twenty-one million, one hundred eleven thousand, nine hundred ninety-seven".