53552443 has 6 divisors (see below), whose sum is σ = 62295756. Its totient is φ = 45902052.

The previous prime is 53552383. The next prime is 53552453. The reversal of 53552443 is 34425535.

It is a happy number.

53552443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53552443 - 2⁹ = 53551931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53552453) 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 5 ways as a sum of consecutive naturals, for example, 546405 + ... + 546502.

It is an arithmetic number, because the mean of its divisors is an integer number (10382626).

Almost surely, 2^53552443 is an apocalyptic number.

53552443 is a deficient number, since it is larger than the sum of its proper divisors (8743313).

53552443 is a wasteful number, since it uses less digits than its factorization.

53552443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092921 (or 1092914 counting only the distinct ones).

The product of its digits is 36000, while the sum is 31.

The square root of 53552443 is about 7317.9534707458. The cubic root of 53552443 is about 376.9291824757.

Adding to 53552443 its reverse (34425535), we get a palindrome (87977978).

The spelling of 53552443 in words is "fifty-three million, five hundred fifty-two thousand, four hundred forty-three".