42533785 has 16 divisors (see below), whose sum is σ = 60869376. Its totient is φ = 27897408.

The previous prime is 42533783. The next prime is 42533789. The reversal of 42533785 is 58733524.

It is not a de Polignac number, because 42533785 - 2¹ = 42533783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42533783) 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, 25614 + ... + 27223.

It is an arithmetic number, because the mean of its divisors is an integer number (3804336).

Almost surely, 2^42533785 is an apocalyptic number.

It is an amenable number.

42533785 is a deficient number, since it is larger than the sum of its proper divisors (18335591).

42533785 is a wasteful number, since it uses less digits than its factorization.

42533785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52872.

The product of its digits is 100800, while the sum is 37.

The square root of 42533785 is about 6521.7930816609. The cubic root of 42533785 is about 349.0690498099.

The spelling of 42533785 in words is "forty-two million, five hundred thirty-three thousand, seven hundred eighty-five".