53057543 has 24 divisors (see below), whose sum is σ = 67839120. Its totient is φ = 41032320.

The previous prime is 53057539. The next prime is 53057581. The reversal of 53057543 is 34575035.

It is not a de Polignac number, because 53057543 - 2² = 53057539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53057503) 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 23 ways as a sum of consecutive naturals, for example, 92963 + ... + 93531.

It is an arithmetic number, because the mean of its divisors is an integer number (2826630).

Almost surely, 2^53057543 is an apocalyptic number.

53057543 is a deficient number, since it is larger than the sum of its proper divisors (14781577).

53057543 is a wasteful number, since it uses less digits than its factorization.

53057543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 53057543 is about 7284.0608866209. The cubic root of 53057543 is about 375.7644683612.

The spelling of 53057543 in words is "fifty-three million, fifty-seven thousand, five hundred forty-three".