42955417 has 4 divisors (see below), whose sum is σ = 43042000. Its totient is φ = 42868836.

The previous prime is 42955403. The next prime is 42955441. The reversal of 42955417 is 71455924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42955417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42955457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42543 + ... + 43540.

It is an arithmetic number, because the mean of its divisors is an integer number (10760500).

Almost surely, 2^42955417 is an apocalyptic number.

It is an amenable number.

42955417 is a deficient number, since it is larger than the sum of its proper divisors (86583).

42955417 is an equidigital number, since it uses as much as digits as its factorization.

42955417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86582.

The product of its digits is 50400, while the sum is 37.

The square root of 42955417 is about 6554.0382208223. The cubic root of 42955417 is about 350.2186851026.

The spelling of 42955417 in words is "forty-two million, nine hundred fifty-five thousand, four hundred seventeen".