5506937191 has 4 divisors (see below), whose sum is σ = 6293642512. Its totient is φ = 4720231872.

The previous prime is 5506937179. The next prime is 5506937207. The reversal of 5506937191 is 1917396055.

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 5506937191 - 2⁷ = 5506937063 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 (5506937791) 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, 393352650 + ... + 393352663.

It is an arithmetic number, because the mean of its divisors is an integer number (1573410628).

Almost surely, 2^5506937191 is an apocalyptic number.

5506937191 is a deficient number, since it is larger than the sum of its proper divisors (786705321).

5506937191 is an equidigital number, since it uses as much as digits as its factorization.

5506937191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786705320.

The product of its (nonzero) digits is 255150, while the sum is 46.

The square root of 5506937191 is about 74208.7406644258. The cubic root of 5506937191 is about 1765.9159983036.

The spelling of 5506937191 in words is "five billion, five hundred six million, nine hundred thirty-seven thousand, one hundred ninety-one".