5546991 has 4 divisors (see below), whose sum is σ = 7395992. Its totient is φ = 3697992.

The previous prime is 5546977. The next prime is 5546999. The reversal of 5546991 is 1996455.

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

It is not a de Polignac number, because 5546991 - 2⁹ = 5546479 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5546999) 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, 924496 + ... + 924501.

It is an arithmetic number, because the mean of its divisors is an integer number (1848998).

Almost surely, 2^5546991 is an apocalyptic number.

5546991 is a deficient number, since it is larger than the sum of its proper divisors (1849001).

5546991 is a wasteful number, since it uses less digits than its factorization.

5546991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849000.

The product of its digits is 48600, while the sum is 39.

The square root of 5546991 is about 2355.2050866114. The cubic root of 5546991 is about 177.0187027382.

The spelling of 5546991 in words is "five million, five hundred forty-six thousand, nine hundred ninety-one".