5573 has 2 divisors, whose sum is σ = 5574. Its totient is φ = 5572.

The previous prime is 5569. The next prime is 5581. The reversal of 5573 is 3755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3364 + 2209 = 58^2 + 47^2 .

It is a cyclic number.

It is not a de Polignac number, because 5573 - 2² = 5569 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 5573.

It is not a weakly prime, because it can be changed into another prime (5503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2786 + 2787.

It is an arithmetic number, because the mean of its divisors is an integer number (2787).

2⁵⁵⁷³ is an apocalyptic number.

It is an amenable number.

5573 is a deficient number, since it is larger than the sum of its proper divisors (1).

5573 is an equidigital number, since it uses as much as digits as its factorization.

5573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 525, while the sum is 20.

The square root of 5573 is about 74.6525284234. The cubic root of 5573 is about 17.7294942726.

It can be divided in two parts, 55 and 73, that added together give a 7-th power (128 = 2⁷).

The spelling of 5573 in words is "five thousand, five hundred seventy-three".