42355550 has 24 divisors (see below), whose sum is σ = 79279896. Its totient is φ = 16835040.

The previous prime is 42355543. The next prime is 42355561. The reversal of 42355550 is 5555324.

It is a happy number.

42355550 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 an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5552 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (3303329).

Almost surely, 2^42355550 is an apocalyptic number.

42355550 is a deficient number, since it is larger than the sum of its proper divisors (36924346).

42355550 is a wasteful number, since it uses less digits than its factorization.

42355550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372 (or 5367 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 42355550 is about 6508.1141661775. The cubic root of 42355550 is about 348.5807836044.

The spelling of 42355550 in words is "forty-two million, three hundred fifty-five thousand, five hundred fifty".