5541805 has 4 divisors (see below), whose sum is σ = 6650172. Its totient is φ = 4433440.

The previous prime is 5541799. The next prime is 5541841. The reversal of 5541805 is 5081455.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2709316 + 2832489 = 1646^2 + 1683^2 .

It is not a de Polignac number, because 5541805 - 2¹³ = 5533613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 554176 + ... + 554185.

It is an arithmetic number, because the mean of its divisors is an integer number (1662543).

Almost surely, 2^5541805 is an apocalyptic number.

It is an amenable number.

5541805 is a deficient number, since it is larger than the sum of its proper divisors (1108367).

5541805 is a wasteful number, since it uses less digits than its factorization.

5541805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108366.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 5541805 is about 2354.1038634691. The cubic root of 5541805 is about 176.9635193524.

The spelling of 5541805 in words is "five million, five hundred forty-one thousand, eight hundred five".