53448845 has 4 divisors (see below), whose sum is σ = 64138620. Its totient is φ = 42759072.

The previous prime is 53448821. The next prime is 53448847. The reversal of 53448845 is 54884435.

53448845 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, and also an emirpimes, since its reverse is a distinct semiprime: 54884435 = 5 ⋅10976887.

It can be written as a sum of positive squares in 2 ways, for example, as 36168196 + 17280649 = 6014^2 + 4157^2 .

It is a cyclic number.

It is not a de Polignac number, because 53448845 - 2⁸ = 53448589 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53448847) 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, 5344880 + ... + 5344889.

It is an arithmetic number, because the mean of its divisors is an integer number (16034655).

Almost surely, 2^53448845 is an apocalyptic number.

It is an amenable number.

53448845 is a deficient number, since it is larger than the sum of its proper divisors (10689775).

53448845 is a wasteful number, since it uses less digits than its factorization.

53448845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10689774.

The product of its digits is 307200, while the sum is 41.

The square root of 53448845 is about 7310.8716990520. The cubic root of 53448845 is about 376.6859671979.

The spelling of 53448845 in words is "fifty-three million, four hundred forty-eight thousand, eight hundred forty-five".