5550100091 has 4 divisors (see below), whose sum is σ = 5567946384. Its totient is φ = 5532253800.

The previous prime is 5550100081. The next prime is 5550100117. The reversal of 5550100091 is 1900010555.

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 5550100091 - 2¹⁰ = 5550099067 is a prime.

It is a super-2 number, since 2×5550100091² = 61607222040236416562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5550100091.

It is not an unprimeable number, because it can be changed into a prime (5550100081) 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, 8922680 + ... + 8923301.

It is an arithmetic number, because the mean of its divisors is an integer number (1391986596).

Almost surely, 2^5550100091 is an apocalyptic number.

5550100091 is a deficient number, since it is larger than the sum of its proper divisors (17846293).

5550100091 is a wasteful number, since it uses less digits than its factorization.

5550100091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17846292.

The product of its (nonzero) digits is 1125, while the sum is 26.

The square root of 5550100091 is about 74498.9938925352. The cubic root of 5550100091 is about 1770.5176958232.

The spelling of 5550100091 in words is "five billion, five hundred fifty million, one hundred thousand, ninety-one".