53523543 has 4 divisors (see below), whose sum is σ = 71364728. Its totient is φ = 35682360.

The previous prime is 53523541. The next prime is 53523557. The reversal of 53523543 is 34532535.

53523543 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 not a de Polignac number, because 53523543 - 2¹ = 53523541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53523543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53523541) 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, 8920588 + ... + 8920593.

It is an arithmetic number, because the mean of its divisors is an integer number (17841182).

Almost surely, 2^53523543 is an apocalyptic number.

53523543 is a deficient number, since it is larger than the sum of its proper divisors (17841185).

53523543 is a wasteful number, since it uses less digits than its factorization.

53523543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17841184.

The product of its digits is 27000, while the sum is 30.

The square root of 53523543 is about 7315.9786084980. The cubic root of 53523543 is about 376.8613660021.

The spelling of 53523543 in words is "fifty-three million, five hundred twenty-three thousand, five hundred forty-three".