56636664337 has 8 divisors (see below), whose sum is σ = 63292414752. Its totient is φ = 50232074400.

The previous prime is 56636664323. The next prime is 56636664397. The reversal of 56636664337 is 73346663665.

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 56636664337 - 2¹¹ = 56636662289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56636664307) 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, 62789643 + ... + 62790544.

It is an arithmetic number, because the mean of its divisors is an integer number (7911551844).

Almost surely, 2^56636664337 is an apocalyptic number.

It is an amenable number.

56636664337 is a deficient number, since it is larger than the sum of its proper divisors (6655750415).

56636664337 is a wasteful number, since it uses less digits than its factorization.

56636664337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125580239.

The product of its digits is 29393280, while the sum is 55.

The spelling of 56636664337 in words is "fifty-six billion, six hundred thirty-six million, six hundred sixty-four thousand, three hundred thirty-seven".