56859187700 has 144 divisors (see below), whose sum is σ = 149444434944. Its totient is φ = 18330777600.

The previous prime is 56859187663. The next prime is 56859187709. The reversal of 56859187700 is 778195865.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56859187709) 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 47 ways as a sum of consecutive naturals, for example, 21692390 + ... + 21695010.

It is an arithmetic number, because the mean of its divisors is an integer number (1037808576).

Almost surely, 2^56859187700 is an apocalyptic number.

56859187700 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 56859187700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74722217472).

56859187700 is an abundant number, since it is smaller than the sum of its proper divisors (92585247244).

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

56859187700 is a wasteful number, since it uses less digits than its factorization.

56859187700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482 (or 4475 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 56.

The spelling of 56859187700 in words is "fifty-six billion, eight hundred fifty-nine million, one hundred eighty-seven thousand, seven hundred".