42235550 has 36 divisors (see below), whose sum is σ = 91389240. Its totient is φ = 14479920.

The previous prime is 42235517. The next prime is 42235553. The reversal of 42235550 is 5553224.

42235550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42235553) 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 17 ways as a sum of consecutive naturals, for example, 6170 + ... + 11069.

It is an arithmetic number, because the mean of its divisors is an integer number (2538590).

Almost surely, 2^42235550 is an apocalyptic number.

42235550 is an abundant number, since it is smaller than the sum of its proper divisors (49153690).

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

42235550 is a wasteful number, since it uses less digits than its factorization.

42235550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17265 (or 17253 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 42235550 is about 6498.8883664824. Note that the first 3 decimals coincide. The cubic root of 42235550 is about 348.2512773200.

Adding to 42235550 its reverse (5553224), we get a palindrome (47788774).

The spelling of 42235550 in words is "forty-two million, two hundred thirty-five thousand, five hundred fifty".