5549990 has 16 divisors (see below), whose sum is σ = 10577952. Its totient is φ = 2089344.

The previous prime is 5549977. The next prime is 5549993. The reversal of 5549990 is 999455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5549993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16154 + ... + 16493.

It is an arithmetic number, because the mean of its divisors is an integer number (661122).

Almost surely, 2^5549990 is an apocalyptic number.

5549990 is a deficient number, since it is larger than the sum of its proper divisors (5027962).

5549990 is a wasteful number, since it uses less digits than its factorization.

5549990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32671.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 5549990 is about 2355.8416754952. The cubic root of 5549990 is about 177.0505989166.

The spelling of 5549990 in words is "five million, five hundred forty-nine thousand, nine hundred ninety".