55681724712 has 32 divisors (see below), whose sum is σ = 139216644000. Its totient is φ = 18558930624.

The previous prime is 55681724711. The next prime is 55681724743. The reversal of 55681724712 is 21742718655.

It is not an unprimeable number, because it can be changed into a prime (55681724711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190914 + ... + 384462.

It is an arithmetic number, because the mean of its divisors is an integer number (4350520125).

Almost surely, 2^55681724712 is an apocalyptic number.

It is an amenable number.

55681724712 is an abundant number, since it is smaller than the sum of its proper divisors (83534919288).

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

55681724712 is a wasteful number, since it uses less digits than its factorization.

55681724712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205545 (or 205541 counting only the distinct ones).

The product of its digits is 940800, while the sum is 48.

The spelling of 55681724712 in words is "fifty-five billion, six hundred eighty-one million, seven hundred twenty-four thousand, seven hundred twelve".