52549543 has 4 divisors (see below), whose sum is σ = 52587648. Its totient is φ = 52511440.

The previous prime is 52549531. The next prime is 52549559. The reversal of 52549543 is 34594525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52549543 is a prime.

It is a super-2 number, since 2×52549543² = 5522908939017698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52549513) 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, 16903 + ... + 19768.

It is an arithmetic number, because the mean of its divisors is an integer number (13146912).

Almost surely, 2^52549543 is an apocalyptic number.

52549543 is a deficient number, since it is larger than the sum of its proper divisors (38105).

52549543 is a wasteful number, since it uses less digits than its factorization.

52549543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38104.

The product of its digits is 108000, while the sum is 37.

The square root of 52549543 is about 7249.1063587176. The cubic root of 52549543 is about 374.5613668396.

The spelling of 52549543 in words is "fifty-two million, five hundred forty-nine thousand, five hundred forty-three".