56172720110 has 64 divisors (see below), whose sum is σ = 110679367680. Its totient is φ = 20401580160.

The previous prime is 56172720089. The next prime is 56172720113. The reversal of 56172720110 is 1102727165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56172720113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2773079 + ... + 2793261.

It is an arithmetic number, because the mean of its divisors is an integer number (1729365120).

Almost surely, 2^56172720110 is an apocalyptic number.

56172720110 is a deficient number, since it is larger than the sum of its proper divisors (54506647570).

56172720110 is a wasteful number, since it uses less digits than its factorization.

56172720110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20553.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 56172720110 in words is "fifty-six billion, one hundred seventy-two million, seven hundred twenty thousand, one hundred ten".