56550815189317 has 8 divisors (see below), whose sum is σ = 57395441201472. Its totient is φ = 55706206353600.

The previous prime is 56550815189269. The next prime is 56550815189357. The reversal of 56550815189317 is 71398151805565.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56550815189317 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 (56550815189357) 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, 2417517 + ... + 10906237.

It is an arithmetic number, because the mean of its divisors is an integer number (7174430150184).

Almost surely, 2^{56550815189317} is an apocalyptic number.

It is an amenable number.

56550815189317 is a deficient number, since it is larger than the sum of its proper divisors (844626012155).

56550815189317 is an equidigital number, since it uses as much as digits as its factorization.

56550815189317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588219.

The product of its (nonzero) digits is 45360000, while the sum is 64.

The spelling of 56550815189317 in words is "fifty-six trillion, five hundred fifty billion, eight hundred fifteen million, one hundred eighty-nine thousand, three hundred seventeen".