53000543 has 4 divisors (see below), whose sum is σ = 56118240. Its totient is φ = 49882848.

The previous prime is 53000527. The next prime is 53000569. The reversal of 53000543 is 34500035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53000543 - 2⁴ = 53000527 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 (53000573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1558823 + ... + 1558856.

It is an arithmetic number, because the mean of its divisors is an integer number (14029560).

Almost surely, 2^53000543 is an apocalyptic number.

53000543 is a deficient number, since it is larger than the sum of its proper divisors (3117697).

53000543 is a wasteful number, since it uses less digits than its factorization.

53000543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117696.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 53000543 is about 7280.1471825781. The cubic root of 53000543 is about 375.6298582247.

Adding to 53000543 its reverse (34500035), we get a palindrome (87500578).

The spelling of 53000543 in words is "fifty-three million, five hundred forty-three", and thus it is an aban number.