56569126039 has 4 divisors (see below), whose sum is σ = 56916176056. Its totient is φ = 56222076024.

The previous prime is 56569126007. The next prime is 56569126043. The reversal of 56569126039 is 93062196565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56569126039 - 2⁵ = 56569126007 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 (56569126079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173524764 + ... + 173525089.

It is an arithmetic number, because the mean of its divisors is an integer number (14229044014).

Almost surely, 2^56569126039 is an apocalyptic number.

56569126039 is a deficient number, since it is larger than the sum of its proper divisors (347050017).

56569126039 is a wasteful number, since it uses less digits than its factorization.

56569126039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347050016.

The product of its (nonzero) digits is 2624400, while the sum is 52.

The spelling of 56569126039 in words is "fifty-six billion, five hundred sixty-nine million, one hundred twenty-six thousand, thirty-nine".