49573 has 4 divisors (see below), whose sum is σ = 50220. Its totient is φ = 48928.

The previous prime is 49559. The next prime is 49597. The reversal of 49573 is 37594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37594 = 2 ⋅18797.

It can be written as a sum of positive squares in 2 ways, for example, as 6724 + 42849 = 82^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 49573 - 2¹³ = 41381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49523) 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 in 3 ways as a sum of consecutive naturals, for example, 190 + ... + 367.

It is an arithmetic number, because the mean of its divisors is an integer number (12555).

2⁴⁹⁵⁷³ is an apocalyptic number.

It is an amenable number.

49573 is a deficient number, since it is larger than the sum of its proper divisors (647).

49573 is an equidigital number, since it uses as much as digits as its factorization.

49573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646.

The product of its digits is 3780, while the sum is 28.

The square root of 49573 is about 222.6499494723. The cubic root of 49573 is about 36.7351429293.

The spelling of 49573 in words is "forty-nine thousand, five hundred seventy-three".