56383918129 has 16 divisors (see below), whose sum is σ = 70307030016. Its totient is φ = 43929147600.

The previous prime is 56383918109. The next prime is 56383918163. The reversal of 56383918129 is 92181938365.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56383918129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56383918129.

It is not an unprimeable number, because it can be changed into a prime (56383918109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521244 + ... + 620050.

It is an arithmetic number, because the mean of its divisors is an integer number (4394189376).

Almost surely, 2^56383918129 is an apocalyptic number.

It is an amenable number.

56383918129 is a deficient number, since it is larger than the sum of its proper divisors (13923111887).

56383918129 is a wasteful number, since it uses less digits than its factorization.

56383918129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106236.

The product of its digits is 2799360, while the sum is 55.

The spelling of 56383918129 in words is "fifty-six billion, three hundred eighty-three million, nine hundred eighteen thousand, one hundred twenty-nine".