56835634517 has 4 divisors (see below), whose sum is σ = 56848083936. Its totient is φ = 56823185100.

The previous prime is 56835634507. The next prime is 56835634571. The reversal of 56835634517 is 71543653865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71543653865 = 5 ⋅14308730773.

It is a cyclic number.

It is not a de Polignac number, because 56835634517 - 2¹⁰ = 56835633493 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 (56835634507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6217859 + ... + 6226992.

It is an arithmetic number, because the mean of its divisors is an integer number (14212020984).

Almost surely, 2^56835634517 is an apocalyptic number.

It is an amenable number.

56835634517 is a deficient number, since it is larger than the sum of its proper divisors (12449419).

56835634517 is a wasteful number, since it uses less digits than its factorization.

56835634517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449418.

The product of its digits is 9072000, while the sum is 53.

The spelling of 56835634517 in words is "fifty-six billion, eight hundred thirty-five million, six hundred thirty-four thousand, five hundred seventeen".