42312056 has 16 divisors (see below), whose sum is σ = 80064600. Its totient is φ = 20961504.

The previous prime is 42312037. The next prime is 42312071. The reversal of 42312056 is 65021324.

It is a congruent number.

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, 23390 + ... + 25133.

Almost surely, 2^42312056 is an apocalyptic number.

It is an amenable number.

42312056 is a deficient number, since it is larger than the sum of its proper divisors (37752544).

42312056 is a wasteful number, since it uses less digits than its factorization.

42312056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48638 (or 48634 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42312056 is about 6504.7717869269. The cubic root of 42312056 is about 348.4614260458.

The spelling of 42312056 in words is "forty-two million, three hundred twelve thousand, fifty-six".