42055205 has 8 divisors (see below), whose sum is σ = 50620704. Its totient is φ = 33541200.

The previous prime is 42055193. The next prime is 42055207. The reversal of 42055205 is 50255024.

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

It is a de Polignac number, because none of the positive numbers 2^k-42055205 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055207) 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, 11051 + ... + 14360.

It is an arithmetic number, because the mean of its divisors is an integer number (6327588).

Almost surely, 2^42055205 is an apocalyptic number.

It is an amenable number.

42055205 is a deficient number, since it is larger than the sum of its proper divisors (8565499).

42055205 is a wasteful number, since it uses less digits than its factorization.

42055205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 42055205 is about 6484.9984579798. The cubic root of 42055205 is about 347.7548946766.

The spelling of 42055205 in words is "forty-two million, fifty-five thousand, two hundred five".