42055258 has 24 divisors (see below), whose sum is σ = 73937376. Its totient is φ = 17574240.

The previous prime is 42055253. The next prime is 42055261. The reversal of 42055258 is 85255024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42055253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22641 + ... + 24427.

It is an arithmetic number, because the mean of its divisors is an integer number (3080724).

Almost surely, 2^42055258 is an apocalyptic number.

42055258 is a deficient number, since it is larger than the sum of its proper divisors (31882118).

42055258 is a wasteful number, since it uses less digits than its factorization.

42055258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1878 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 42055258 is about 6485.0025443326. The cubic root of 42055258 is about 347.7550407623.

The spelling of 42055258 in words is "forty-two million, fifty-five thousand, two hundred fifty-eight".