5541945 has 16 divisors (see below), whose sum is σ = 9035712. Its totient is φ = 2899520.

The previous prime is 5541931. The next prime is 5541947. The reversal of 5541945 is 5491455.

It is not a de Polignac number, because 5541945 - 2⁹ = 5541433 is a prime.

5541945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5541947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2691 + ... + 4280.

It is an arithmetic number, because the mean of its divisors is an integer number (564732).

Almost surely, 2^5541945 is an apocalyptic number.

It is an amenable number.

5541945 is a deficient number, since it is larger than the sum of its proper divisors (3493767).

5541945 is a wasteful number, since it uses less digits than its factorization.

5541945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7032.

The product of its digits is 18000, while the sum is 33.

The square root of 5541945 is about 2354.1335985878. The cubic root of 5541945 is about 176.9650095218.

The spelling of 5541945 in words is "five million, five hundred forty-one thousand, nine hundred forty-five".