42355505 has 8 divisors (see below), whose sum is σ = 51055872. Its totient is φ = 33731568.

The previous prime is 42355493. The next prime is 42355513. The reversal of 42355505 is 50555324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42355505 - 2⁶ = 42355441 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 17879 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (6381984).

Almost surely, 2^42355505 is an apocalyptic number.

It is an amenable number.

42355505 is a deficient number, since it is larger than the sum of its proper divisors (8700367).

42355505 is a wasteful number, since it uses less digits than its factorization.

42355505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38215.

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

The square root of 42355505 is about 6508.1107089539. The cubic root of 42355505 is about 348.5806601563.

The spelling of 42355505 in words is "forty-two million, three hundred fifty-five thousand, five hundred five".