5540445 has 12 divisors (see below), whose sum is σ = 9603516. Its totient is φ = 2954880.

The previous prime is 5540443. The next prime is 5540449. The reversal of 5540445 is 5440455.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 2013561 = 1878^2 + 1419^2 .

It is not a de Polignac number, because 5540445 - 2¹ = 5540443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61516 + ... + 61605.

It is an arithmetic number, because the mean of its divisors is an integer number (800293).

Almost surely, 2^5540445 is an apocalyptic number.

It is an amenable number.

5540445 is a deficient number, since it is larger than the sum of its proper divisors (4063071).

5540445 is a wasteful number, since it uses less digits than its factorization.

5540445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123132 (or 123129 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 5540445 is about 2353.8149884815. The cubic root of 5540445 is about 176.9490421152.

The spelling of 5540445 in words is "five million, five hundred forty thousand, four hundred forty-five".