53243544 has 32 divisors (see below), whose sum is σ = 133297920. Its totient is φ = 17722656.

The previous prime is 53243537. The next prime is 53243573. The reversal of 53243544 is 44534235.

53243544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 24469 + ... + 26555.

It is an arithmetic number, because the mean of its divisors is an integer number (4165560).

Almost surely, 2^53243544 is an apocalyptic number.

It is an amenable number.

53243544 is an abundant number, since it is smaller than the sum of its proper divisors (80054376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53243544 is a wasteful number, since it uses less digits than its factorization.

53243544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159 (or 3155 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 53243544 is about 7296.8173884235. The cubic root of 53243544 is about 376.2030554043.

Adding to 53243544 its reverse (44534235), we get a palindrome (97777779).

The spelling of 53243544 in words is "fifty-three million, two hundred forty-three thousand, five hundred forty-four".