42353855 has 4 divisors (see below), whose sum is σ = 50824632. Its totient is φ = 33883080.

The previous prime is 42353813. The next prime is 42353867. The reversal of 42353855 is 55835324.

42353855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42353855 - 2⁸ = 42353599 is a prime.

It is a super-2 number, since 2×42353855² = 3587698066722050, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 4235381 + ... + 4235390.

It is an arithmetic number, because the mean of its divisors is an integer number (12706158).

Almost surely, 2^42353855 is an apocalyptic number.

42353855 is a deficient number, since it is larger than the sum of its proper divisors (8470777).

42353855 is an equidigital number, since it uses as much as digits as its factorization.

42353855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470776.

The product of its digits is 72000, while the sum is 35.

The square root of 42353855 is about 6507.9839428198. The cubic root of 42353855 is about 348.5761336643.

The spelling of 42353855 in words is "forty-two million, three hundred fifty-three thousand, eight hundred fifty-five".