42550698 has 16 divisors (see below), whose sum is σ = 86912640. Its totient is φ = 13881696.

The previous prime is 42550691. The next prime is 42550723. The reversal of 42550698 is 89605524.

It is not an unprimeable number, because it can be changed into a prime (42550691) 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, 75163 + ... + 75726.

It is an arithmetic number, because the mean of its divisors is an integer number (5432040).

Almost surely, 2^42550698 is an apocalyptic number.

42550698 is an abundant number, since it is smaller than the sum of its proper divisors (44361942).

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

42550698 is a wasteful number, since it uses less digits than its factorization.

42550698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150941.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 42550698 is about 6523.0896053941. The cubic root of 42550698 is about 349.1153112504.

The spelling of 42550698 in words is "forty-two million, five hundred fifty thousand, six hundred ninety-eight".