56605776715172 has 12 divisors (see below), whose sum is σ = 99060555014400. Its totient is φ = 28302760996776.

The previous prime is 56605776715171. The next prime is 56605776715199. The reversal of 56605776715172 is 27151767750665.

It is a junction number, because it is equal to n+sod(n) for n = 56605776715099 and 56605776715108.

It is not an unprimeable number, because it can be changed into a prime (56605776715171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30836672 + ... + 32620727.

It is an arithmetic number, because the mean of its divisors is an integer number (8255046251200).

Almost surely, 2^{56605776715172} is an apocalyptic number.

It is an amenable number.

56605776715172 is a deficient number, since it is larger than the sum of its proper divisors (42454778299228).

56605776715172 is a wasteful number, since it uses less digits than its factorization.

56605776715172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63680410 (or 63680408 counting only the distinct ones).

The product of its (nonzero) digits is 129654000, while the sum is 65.

The spelling of 56605776715172 in words is "fifty-six trillion, six hundred five billion, seven hundred seventy-six million, seven hundred fifteen thousand, one hundred seventy-two".