It is a happy number.
63558342 is a `hidden beast` number, since 6 + 35 + 583 + 42 = 666.
It is a congruent number.
Almost surely, 263558342 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 63558342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74299680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63558342 is a wasteful number, since it uses less digits than its factorization.
63558342 is an evil number, because the sum of its binary digits is even.
The square root of 63558342 is about 7972.3485874615. The cubic root of 63558342 is about 399.0777544587.
The spelling of 63558342 in words is "sixty-three million, five hundred fifty-eight thousand, three hundred forty-two".