5551563 has 4 divisors (see below), whose sum is σ = 7402088. Its totient is φ = 3701040.

The previous prime is 5551531. The next prime is 5551583. The reversal of 5551563 is 3651555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5551563 - 2⁵ = 5551531 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5551563.

It is not an unprimeable number, because it can be changed into a prime (5551583) 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 3 ways as a sum of consecutive naturals, for example, 925258 + ... + 925263.

It is an arithmetic number, because the mean of its divisors is an integer number (1850522).

Almost surely, 2^5551563 is an apocalyptic number.

5551563 is a deficient number, since it is larger than the sum of its proper divisors (1850525).

5551563 is a wasteful number, since it uses less digits than its factorization.

5551563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850524.

The product of its digits is 11250, while the sum is 30.

The square root of 5551563 is about 2356.1755028011. The cubic root of 5551563 is about 177.0673241290.

It can be divided in two parts, 5551 and 563, that multiplied together give a palindrome (3125213).

The spelling of 5551563 in words is "five million, five hundred fifty-one thousand, five hundred sixty-three".