42558082 has 16 divisors (see below), whose sum is σ = 74737152. Its totient is φ = 17794080.

The previous prime is 42558037. The next prime is 42558083. The reversal of 42558082 is 28085524.

It is a super-2 number, since 2×42558082² = 3622380687037448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42558083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36498 + ... + 37645.

It is an arithmetic number, because the mean of its divisors is an integer number (4671072).

Almost surely, 2^42558082 is an apocalyptic number.

42558082 is a deficient number, since it is larger than the sum of its proper divisors (32179070).

42558082 is a wasteful number, since it uses less digits than its factorization.

42558082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74193.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 42558082 is about 6523.6555703072. The cubic root of 42558082 is about 349.1355045608.

The spelling of 42558082 in words is "forty-two million, five hundred fifty-eight thousand, eighty-two".