5561099 has 2 divisors, whose sum is σ = 5561100. Its totient is φ = 5561098.

The previous prime is 5561089. The next prime is 5561119. The reversal of 5561099 is 9901655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5561099 - 2¹⁶ = 5495563 is a prime.

It is not a weakly prime, because it can be changed into another prime (5561029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780549 + 2780550.

It is an arithmetic number, because the mean of its divisors is an integer number (2780550).

Almost surely, 2^5561099 is an apocalyptic number.

5561099 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561099 is an equidigital number, since it uses as much as digits as its factorization.

5561099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 5561099 is about 2358.1982529041. The cubic root of 5561099 is about 177.1686498356.

The spelling of 5561099 in words is "five million, five hundred sixty-one thousand, ninety-nine".