42558888 has 32 divisors (see below), whose sum is σ = 112656960. Its totient is φ = 13351680.

The previous prime is 42558853. The next prime is 42558889. The reversal of 42558888 is 88885524.

It is a happy number.

It is a super-2 number, since 2×42558888² = 3622517895593088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42558889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51748 + ... + 52563.

It is an arithmetic number, because the mean of its divisors is an integer number (3520530).

Almost surely, 2^42558888 is an apocalyptic number.

It is an amenable number.

42558888 is an abundant number, since it is smaller than the sum of its proper divisors (70098072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42558888 is a wasteful number, since it uses less digits than its factorization.

42558888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104337 (or 104333 counting only the distinct ones).

The product of its digits is 819200, while the sum is 48.

The square root of 42558888 is about 6523.7173451951. The cubic root of 42558888 is about 349.1377086188.

The spelling of 42558888 in words is "forty-two million, five hundred fifty-eight thousand, eight hundred eighty-eight".