43535542 has 8 divisors (see below), whose sum is σ = 65366136. Its totient is φ = 21746832.

The previous prime is 43535539. The next prime is 43535549. The reversal of 43535542 is 24553534.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43535549) 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, 7728 + ... + 12115.

It is an arithmetic number, because the mean of its divisors is an integer number (8170767).

Almost surely, 2^43535542 is an apocalyptic number.

43535542 is a deficient number, since it is larger than the sum of its proper divisors (21830594).

43535542 is a wasteful number, since it uses less digits than its factorization.

43535542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20942.

The product of its digits is 36000, while the sum is 31.

The square root of 43535542 is about 6598.1468610512. The cubic root of 43535542 is about 351.7882410482.

The spelling of 43535542 in words is "forty-three million, five hundred thirty-five thousand, five hundred forty-two".