56172544076560 has 80 divisors (see below), whose sum is σ = 137871093096000. Its totient is φ = 21225093355008.

The previous prime is 56172544076513. The next prime is 56172544076717. The reversal of 56172544076560 is 6567044527165.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 56172544076495 and 56172544076504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52722735 + ... + 53777614.

It is an arithmetic number, because the mean of its divisors is an integer number (1723388663700).

Almost surely, 2^{56172544076560} is an apocalyptic number.

It is an amenable number.

56172544076560 is an abundant number, since it is smaller than the sum of its proper divisors (81698549019440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56172544076560 is a wasteful number, since it uses less digits than its factorization.

56172544076560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106500728 (or 106500722 counting only the distinct ones).

The product of its (nonzero) digits is 42336000, while the sum is 58.

The spelling of 56172544076560 in words is "fifty-six trillion, one hundred seventy-two billion, five hundred forty-four million, seventy-six thousand, five hundred sixty".