56643602417 has 8 divisors (see below), whose sum is σ = 56762914560. Its totient is φ = 56524381200.

The previous prime is 56643602413. The next prime is 56643602423. The reversal of 56643602417 is 71420634665.

56643602417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56643602417 - 2² = 56643602413 is a prime.

It is a super-3 number, since 3×56643602417³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56643602413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305167 + ... + 1347867.

It is an arithmetic number, because the mean of its divisors is an integer number (7095364320).

Almost surely, 2^56643602417 is an apocalyptic number.

It is an amenable number.

56643602417 is a deficient number, since it is larger than the sum of its proper divisors (119312143).

56643602417 is a wasteful number, since it uses less digits than its factorization.

56643602417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45463.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 56643602417 in words is "fifty-six billion, six hundred forty-three million, six hundred two thousand, four hundred seventeen".