56725317800 has 96 divisors (see below), whose sum is σ = 140021897400. Its totient is φ = 21297684480.

The previous prime is 56725317743. The next prime is 56725317809. The reversal of 56725317800 is 871352765.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 16241463364 + 40483854436 = 127442^2 + 201206^2 .

It is not an unprimeable number, because it can be changed into a prime (56725317809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1245836 + ... + 1290564.

Almost surely, 2^56725317800 is an apocalyptic number.

56725317800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56725317800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70010948700).

56725317800 is an abundant number, since it is smaller than the sum of its proper divisors (83296579600).

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

56725317800 is a wasteful number, since it uses less digits than its factorization.

56725317800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45135 (or 45126 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 56725317800 in words is "fifty-six billion, seven hundred twenty-five million, three hundred seventeen thousand, eight hundred".