5543557291 has 4 divisors (see below), whose sum is σ = 5672477272. Its totient is φ = 5414637312.

The previous prime is 5543557259. The next prime is 5543557297. The reversal of 5543557291 is 1927553455.

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 5543557291 - 2⁵ = 5543557259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5543557297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64459926 + ... + 64460011.

It is an arithmetic number, because the mean of its divisors is an integer number (1418119318).

Almost surely, 2^5543557291 is an apocalyptic number.

5543557291 is a deficient number, since it is larger than the sum of its proper divisors (128919981).

5543557291 is a wasteful number, since it uses less digits than its factorization.

5543557291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128919980.

The product of its digits is 945000, while the sum is 46.

The square root of 5543557291 is about 74455.0689409391. The cubic root of 5543557291 is about 1769.8216904655.

The spelling of 5543557291 in words is "five billion, five hundred forty-three million, five hundred fifty-seven thousand, two hundred ninety-one".