5561787 has 16 divisors (see below), whose sum is σ = 9245952. Its totient is φ = 2889120.

The previous prime is 5561779. The next prime is 5561819. The reversal of 5561787 is 7871655.

It is not a de Polignac number, because 5561787 - 2³ = 5561779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5561687) 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, 11808 + ... + 12269.

It is an arithmetic number, because the mean of its divisors is an integer number (577872).

Almost surely, 2^5561787 is an apocalyptic number.

5561787 is a deficient number, since it is larger than the sum of its proper divisors (3684165).

5561787 is a wasteful number, since it uses less digits than its factorization.

5561787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24098.

The product of its digits is 58800, while the sum is 39.

The square root of 5561787 is about 2358.3441224724. The cubic root of 5561787 is about 177.1759557658.

The spelling of 5561787 in words is "five million, five hundred sixty-one thousand, seven hundred eighty-seven".