5506105091 has 4 divisors (see below), whose sum is σ = 5588285832. Its totient is φ = 5423924352.

The previous prime is 5506105067. The next prime is 5506105103. The reversal of 5506105091 is 1905016055.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5506105091 is a prime.

It is a super-2 number, since 2×5506105091² = 60634386546272236562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5506105001) 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, 41090270 + ... + 41090403.

It is an arithmetic number, because the mean of its divisors is an integer number (1397071458).

Almost surely, 2^5506105091 is an apocalyptic number.

5506105091 is a deficient number, since it is larger than the sum of its proper divisors (82180741).

5506105091 is an equidigital number, since it uses as much as digits as its factorization.

5506105091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82180740.

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 5506105091 is about 74203.1339702037. The cubic root of 5506105091 is about 1765.8270503296.

The spelling of 5506105091 in words is "five billion, five hundred six million, one hundred five thousand, ninety-one".