52045443 has 16 divisors (see below), whose sum is σ = 77444640. Its totient is φ = 34543872.

The previous prime is 52045439. The next prime is 52045453. The reversal of 52045443 is 34454025.

It is not a de Polignac number, because 52045443 - 2² = 52045439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (52045453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2155 + ... + 10427.

It is an arithmetic number, because the mean of its divisors is an integer number (4840290).

Almost surely, 2^52045443 is an apocalyptic number.

52045443 is a deficient number, since it is larger than the sum of its proper divisors (25399197).

52045443 is a wasteful number, since it uses less digits than its factorization.

52045443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8515 (or 8509 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 52045443 is about 7214.2527679587. The cubic root of 52045443 is about 373.3598125529.

Adding to 52045443 its reverse (34454025), we get a palindrome (86499468).

The spelling of 52045443 in words is "fifty-two million, forty-five thousand, four hundred forty-three".