56355143039 has 16 divisors (see below), whose sum is σ = 62324075520. Its totient is φ = 50638180320.

The previous prime is 56355143029. The next prime is 56355143057. The reversal of 56355143039 is 93034155365.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-56355143039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56355143029) 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, 313517 + ... + 459350.

It is an arithmetic number, because the mean of its divisors is an integer number (3895254720).

Almost surely, 2^56355143039 is an apocalyptic number.

56355143039 is a deficient number, since it is larger than the sum of its proper divisors (5968932481).

56355143039 is a wasteful number, since it uses less digits than its factorization.

56355143039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773030.

The product of its (nonzero) digits is 729000, while the sum is 44.

The spelling of 56355143039 in words is "fifty-six billion, three hundred fifty-five million, one hundred forty-three thousand, thirty-nine".