52545443 has 4 divisors (see below), whose sum is σ = 52638360. Its totient is φ = 52452528.

The previous prime is 52545421. The next prime is 52545491. The reversal of 52545443 is 34454525.

52545443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52545443 - 2¹⁰ = 52544419 is a prime.

It is a super-2 number, since 2×52545443² = 5522047160132498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52545043) 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, 45605 + ... + 46742.

It is an arithmetic number, because the mean of its divisors is an integer number (13159590).

Almost surely, 2^52545443 is an apocalyptic number.

52545443 is a deficient number, since it is larger than the sum of its proper divisors (92917).

52545443 is an equidigital number, since it uses as much as digits as its factorization.

52545443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92916.

The product of its digits is 48000, while the sum is 32.

The square root of 52545443 is about 7248.8235597233. The cubic root of 52545443 is about 374.5516252925.

Adding to 52545443 its reverse (34454525), we get a palindrome (86999968).

The spelling of 52545443 in words is "fifty-two million, five hundred forty-five thousand, four hundred forty-three".