42055199 has 4 divisors (see below), whose sum is σ = 43191864. Its totient is φ = 40918536.

The previous prime is 42055193. The next prime is 42055207. The reversal of 42055199 is 99155024.

42055199 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 a cyclic number.

It is not a de Polignac number, because 42055199 - 2⁴ = 42055183 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 (42055193) by changing a digit.

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, 568277 + ... + 568350.

It is an arithmetic number, because the mean of its divisors is an integer number (10797966).

Almost surely, 2^42055199 is an apocalyptic number.

42055199 is a deficient number, since it is larger than the sum of its proper divisors (1136665).

42055199 is a wasteful number, since it uses less digits than its factorization.

42055199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136664.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 42055199 is about 6484.9979953736. The cubic root of 42055199 is about 347.7548781386.

The spelling of 42055199 in words is "forty-two million, fifty-five thousand, one hundred ninety-nine".