5546728591 has 4 divisors (see below), whose sum is σ = 5640741000. Its totient is φ = 5452716184.

The previous prime is 5546728573. The next prime is 5546728633. The reversal of 5546728591 is 1958276455.

It is a happy number.

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 5546728591 - 2⁹ = 5546728079 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 (5546728991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47006116 + ... + 47006233.

It is an arithmetic number, because the mean of its divisors is an integer number (1410185250).

Almost surely, 2^5546728591 is an apocalyptic number.

5546728591 is a deficient number, since it is larger than the sum of its proper divisors (94012409).

5546728591 is an equidigital number, since it uses as much as digits as its factorization.

5546728591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94012408.

The product of its digits is 3024000, while the sum is 52.

The square root of 5546728591 is about 74476.3626327172. The cubic root of 5546728591 is about 1770.1591131287.

The spelling of 5546728591 in words is "five billion, five hundred forty-six million, seven hundred twenty-eight thousand, five hundred ninety-one".