56343305613 has 24 divisors (see below), whose sum is σ = 86079861568. Its totient is φ = 32112464832.

The previous prime is 56343305587. The next prime is 56343305617. The reversal of 56343305613 is 31650334365.

It is not a de Polignac number, because 56343305613 - 2¹⁶ = 56343240077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56343305617) 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 23 ways as a sum of consecutive naturals, for example, 23252320 + ... + 23254742.

Almost surely, 2^56343305613 is an apocalyptic number.

It is an amenable number.

56343305613 is a deficient number, since it is larger than the sum of its proper divisors (29736555955).

56343305613 is an frugal number, since it uses more digits than its factorization.

56343305613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313 (or 2890 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 39.

Adding to 56343305613 its reverse (31650334365), we get a palindrome (87993639978).

The spelling of 56343305613 in words is "fifty-six billion, three hundred forty-three million, three hundred five thousand, six hundred thirteen".