83545543 has 8 divisors (see below), whose sum is σ = 85355856. Its totient is φ = 81744000.

The previous prime is 83545523. The next prime is 83545571. The reversal of 83545543 is 34554538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83545543 - 2¹³ = 83537351 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 (83545513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19288 + ... + 23218.

It is an arithmetic number, because the mean of its divisors is an integer number (10669482).

Almost surely, 2^83545543 is an apocalyptic number.

83545543 is a deficient number, since it is larger than the sum of its proper divisors (1810313).

83545543 is a wasteful number, since it uses less digits than its factorization.

83545543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4385.

The product of its digits is 144000, while the sum is 37.

The square root of 83545543 is about 9140.3251036273. The cubic root of 83545543 is about 437.1606825319.

The spelling of 83545543 in words is "eighty-three million, five hundred forty-five thousand, five hundred forty-three".