42533543 has 16 divisors (see below), whose sum is σ = 47523840. Its totient is φ = 37816416.

The previous prime is 42533527. The next prime is 42533551. The reversal of 42533543 is 34533524.

It is a cyclic number.

It is not a de Polignac number, because 42533543 - 2⁴ = 42533527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42533573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40418 + ... + 41456.

It is an arithmetic number, because the mean of its divisors is an integer number (2970240).

Almost surely, 2^42533543 is an apocalyptic number.

42533543 is a deficient number, since it is larger than the sum of its proper divisors (4990297).

42533543 is a wasteful number, since it uses less digits than its factorization.

42533543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166.

The product of its digits is 21600, while the sum is 29.

The square root of 42533543 is about 6521.7745284547. The cubic root of 42533543 is about 349.0683877882.

The spelling of 42533543 in words is "forty-two million, five hundred thirty-three thousand, five hundred forty-three".