5565903 has 16 divisors (see below), whose sum is σ = 8603136. Its totient is φ = 3134880.

The previous prime is 5565887. The next prime is 5565907. The reversal of 5565903 is 3095655.

5565903 = T₂₃₂ + T₂₃₃ + ... + T₃₅₇.

It is not a de Polignac number, because 5565903 - 2⁴ = 5565887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565907) 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, 376 + ... + 3357.

It is an arithmetic number, because the mean of its divisors is an integer number (537696).

Almost surely, 2^5565903 is an apocalyptic number.

5565903 is a deficient number, since it is larger than the sum of its proper divisors (3037233).

5565903 is a wasteful number, since it uses less digits than its factorization.

5565903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814.

The product of its (nonzero) digits is 20250, while the sum is 33.

The square root of 5565903 is about 2359.2166072661. The cubic root of 5565903 is about 177.2196513390.

Adding to 5565903 its product of nonzero digits (20250), we get a triangular number (5586153 = T₃₃₄₂).

The spelling of 5565903 in words is "five million, five hundred sixty-five thousand, nine hundred three".