56623044039 has 16 divisors (see below), whose sum is σ = 75715344384. Its totient is φ = 37639879200.

The previous prime is 56623044019. The next prime is 56623044041. The reversal of 56623044039 is 93044032665.

It is not a de Polignac number, because 56623044039 - 2⁹ = 56623043527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56623044019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1454154 + ... + 1492584.

It is an arithmetic number, because the mean of its divisors is an integer number (4732209024).

Almost surely, 2^56623044039 is an apocalyptic number.

56623044039 is a deficient number, since it is larger than the sum of its proper divisors (19092300345).

56623044039 is a wasteful number, since it uses less digits than its factorization.

56623044039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39838.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 56623044039 in words is "fifty-six billion, six hundred twenty-three million, forty-four thousand, thirty-nine".