56914655617 has 4 divisors (see below), whose sum is σ = 56915387140. Its totient is φ = 56913924096.

The previous prime is 56914655587. The next prime is 56914655639. The reversal of 56914655617 is 71655641965.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36145234161 + 20769421456 = 190119^2 + 144116^2 .

It is a cyclic number.

It is not a de Polignac number, because 56914655617 - 2³⁵ = 22554917249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56914655717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232992 + ... + 410017.

It is an arithmetic number, because the mean of its divisors is an integer number (14228846785).

Almost surely, 2^56914655617 is an apocalyptic number.

It is an amenable number.

56914655617 is a deficient number, since it is larger than the sum of its proper divisors (731523).

56914655617 is an equidigital number, since it uses as much as digits as its factorization.

56914655617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731522.

The product of its digits is 6804000, while the sum is 55.

The spelling of 56914655617 in words is "fifty-six billion, nine hundred fourteen million, six hundred fifty-five thousand, six hundred seventeen".