42255503 has 4 divisors (see below), whose sum is σ = 42476928. Its totient is φ = 42034080.

The previous prime is 42255497. The next prime is 42255527. The reversal of 42255503 is 30555224.

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 42255503 - 2²⁴ = 25478287 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 (42255553) 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 3 ways as a sum of consecutive naturals, for example, 110426 + ... + 110807.

It is an arithmetic number, because the mean of its divisors is an integer number (10619232).

Almost surely, 2^42255503 is an apocalyptic number.

42255503 is a deficient number, since it is larger than the sum of its proper divisors (221425).

42255503 is a wasteful number, since it uses less digits than its factorization.

42255503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221424.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 42255503 is about 6500.4232939094. The cubic root of 42255503 is about 348.3061091997.

The spelling of 42255503 in words is "forty-two million, two hundred fifty-five thousand, five hundred three".