42558893 has 4 divisors (see below), whose sum is σ = 45832668. Its totient is φ = 39285120.

The previous prime is 42558889. The next prime is 42558899. The reversal of 42558893 is 39885524.

42558893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20675209 + 21883684 = 4547^2 + 4678^2 .

It is a cyclic number.

It is not a de Polignac number, because 42558893 - 2² = 42558889 is a prime.

It is a super-2 number, since 2×42558893² = 3622518746770898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42558899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636868 + ... + 1636893.

It is an arithmetic number, because the mean of its divisors is an integer number (11458167).

Almost surely, 2^42558893 is an apocalyptic number.

It is an amenable number.

42558893 is a deficient number, since it is larger than the sum of its proper divisors (3273775).

42558893 is a wasteful number, since it uses less digits than its factorization.

42558893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3273774.

The product of its digits is 345600, while the sum is 44.

The square root of 42558893 is about 6523.7177284122. The cubic root of 42558893 is about 349.1377222915.

The spelling of 42558893 in words is "forty-two million, five hundred fifty-eight thousand, eight hundred ninety-three".