42055492 has 12 divisors (see below), whose sum is σ = 74529280. Its totient is φ = 20761416.

The previous prime is 42055487. The next prime is 42055511. The reversal of 42055492 is 29455024.

It is an unprimeable number.

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, 66228 + ... + 66859.

Almost surely, 2^42055492 is an apocalyptic number.

It is an amenable number.

42055492 is a deficient number, since it is larger than the sum of its proper divisors (32473788).

42055492 is a wasteful number, since it uses less digits than its factorization.

42055492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133170 (or 133168 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 42055492 is about 6485.0205859349. The cubic root of 42055492 is about 347.7556857434.

The spelling of 42055492 in words is "forty-two million, fifty-five thousand, four hundred ninety-two".