42055183 has 2 divisors, whose sum is σ = 42055184.
Its totient is φ = 42055182.
The previous prime is 42055147. The next prime is 42055193. The reversal of 42055183 is 38155024.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 42055183 - 29 = 42054671 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (42055103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21027591 + 21027592.
It is an arithmetic number, because the mean of its divisors is an integer number (21027592).
Almost surely, 242055183 is an apocalyptic number.
42055183 is a deficient number, since it is larger than the sum of its proper divisors (1).
42055183 is an equidigital number, since it uses as much as digits as its factorization.
42055183 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4800, while the sum is 28.
The square root of 42055183 is about 6484.9967617571.
The cubic root of 42055183 is about 347.7548340372.
The spelling of 42055183 in words is "forty-two million, fifty-five thousand, one hundred eighty-three".