56739853184 has 64 divisors (see below), whose sum is σ = 129551171040. Its totient is φ = 24248057856.

The previous prime is 56739853171. The next prime is 56739853213. The reversal of 56739853184 is 48135893765.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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, 226592 + ... + 405984.

Almost surely, 2^56739853184 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56739853184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64775585520).

56739853184 is an abundant number, since it is smaller than the sum of its proper divisors (72811317856).

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

56739853184 is a wasteful number, since it uses less digits than its factorization.

56739853184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179767 (or 179755 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 59.

The spelling of 56739853184 in words is "fifty-six billion, seven hundred thirty-nine million, eight hundred fifty-three thousand, one hundred eighty-four".