56442430 has 32 divisors (see below), whose sum is σ = 111310848. Its totient is φ = 20436000.

The previous prime is 56442401. The next prime is 56442469. The reversal of 56442430 is 3424465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27955 + ... + 29905.

It is an arithmetic number, because the mean of its divisors is an integer number (3478464).

Almost surely, 2^56442430 is an apocalyptic number.

56442430 is a deficient number, since it is larger than the sum of its proper divisors (54868418).

56442430 is a wasteful number, since it uses less digits than its factorization.

56442430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 56442430 is about 7512.8177137476. The cubic root of 56442430 is about 383.5911401654.

Adding to 56442430 its reverse (3424465), we get a palindrome (59866895).

The spelling of 56442430 in words is "fifty-six million, four hundred forty-two thousand, four hundred thirty".