56442306 has 8 divisors (see below), whose sum is σ = 112884624. Its totient is φ = 18814100.

The previous prime is 56442301. The next prime is 56442307. The reversal of 56442306 is 60324465.

It is a sphenic number, since it is the product of 3 distinct primes.

56442306 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56442301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4703520 + ... + 4703531.

It is an arithmetic number, because the mean of its divisors is an integer number (14110578).

Almost surely, 2^56442306 is an apocalyptic number.

56442306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56442306 is a wasteful number, since it uses less digits than its factorization.

56442306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407056.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 56442306 is about 7512.8094611803. The cubic root of 56442306 is about 383.5908592577.

The spelling of 56442306 in words is "fifty-six million, four hundred forty-two thousand, three hundred six".