56172105601 has 8 divisors (see below), whose sum is σ = 57406011264. Its totient is φ = 54939814800.

The previous prime is 56172105559. The next prime is 56172105641. The reversal of 56172105601 is 10650127165.

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 56172105601 - 2²⁵ = 56138551169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56172105641) 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, 333250 + ... + 472651.

It is an arithmetic number, because the mean of its divisors is an integer number (7175751408).

Almost surely, 2^56172105601 is an apocalyptic number.

It is an amenable number.

56172105601 is a deficient number, since it is larger than the sum of its proper divisors (1233905663).

56172105601 is a wasteful number, since it uses less digits than its factorization.

56172105601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807431.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 56172105601 in words is "fifty-six billion, one hundred seventy-two million, one hundred five thousand, six hundred one".