5545990 has 16 divisors (see below), whose sum is σ = 10417248. Its totient is φ = 2121856.

The previous prime is 5545987. The next prime is 5545997. The reversal of 5545990 is 995455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5545997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11827 + ... + 12286.

It is an arithmetic number, because the mean of its divisors is an integer number (651078).

Almost surely, 2^5545990 is an apocalyptic number.

5545990 is a deficient number, since it is larger than the sum of its proper divisors (4871258).

5545990 is a wasteful number, since it uses less digits than its factorization.

5545990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24143.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 5545990 is about 2354.9925689904. The cubic root of 5545990 is about 177.0080539389.

The spelling of 5545990 in words is "five million, five hundred forty-five thousand, nine hundred ninety".