56536862719 has 16 divisors (see below), whose sum is σ = 60038114976. Its totient is φ = 53055360000.

The previous prime is 56536862717. The next prime is 56536862737. The reversal of 56536862719 is 91726863565.

It is a cyclic number.

It is not a de Polignac number, because 56536862719 - 2¹ = 56536862717 is a prime.

It is a super-2 number, since 2×56536862719² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56536862717) 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, 9263769 + ... + 9269869.

It is an arithmetic number, because the mean of its divisors is an integer number (3752382186).

Almost surely, 2^56536862719 is an apocalyptic number.

56536862719 is a deficient number, since it is larger than the sum of its proper divisors (3501252257).

56536862719 is a wasteful number, since it uses less digits than its factorization.

56536862719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7626.

The product of its digits is 16329600, while the sum is 58.

The spelling of 56536862719 in words is "fifty-six billion, five hundred thirty-six million, eight hundred sixty-two thousand, seven hundred nineteen".