42544803 has 16 divisors (see below), whose sum is σ = 66922496. Its totient is φ = 23526720.

The previous prime is 42544787. The next prime is 42544811. The reversal of 42544803 is 30844524.

It is not a de Polignac number, because 42544803 - 2⁴ = 42544787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42544813) 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, 32026 + ... + 33327.

It is an arithmetic number, because the mean of its divisors is an integer number (4182656).

Almost surely, 2^42544803 is an apocalyptic number.

42544803 is a deficient number, since it is larger than the sum of its proper divisors (24377693).

42544803 is a wasteful number, since it uses less digits than its factorization.

42544803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65394.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 42544803 is about 6522.6377333100. The cubic root of 42544803 is about 349.0991882888.

The spelling of 42544803 in words is "forty-two million, five hundred forty-four thousand, eight hundred three".