5561045 has 16 divisors (see below), whose sum is σ = 7758720. Its totient is φ = 3747264.

The previous prime is 5561041. The next prime is 5561051. The reversal of 5561045 is 5401655.

5561045 = T₂₇ + T₂₈ + ... + T₃₂₁.

It is a cyclic number.

It is not a de Polignac number, because 5561045 - 2² = 5561041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561041) 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 15 ways as a sum of consecutive naturals, for example, 719 + ... + 3411.

It is an arithmetic number, because the mean of its divisors is an integer number (484920).

Almost surely, 2^5561045 is an apocalyptic number.

It is an amenable number.

5561045 is a deficient number, since it is larger than the sum of its proper divisors (2197675).

5561045 is a wasteful number, since it uses less digits than its factorization.

5561045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 5561045 is about 2358.1868034573. The cubic root of 5561045 is about 177.1680763795.

It can be divided in two parts, 55610 and 45, that added together give a palindrome (55655).

The spelling of 5561045 in words is "five million, five hundred sixty-one thousand, forty-five".