56656512200 has 36 divisors (see below), whose sum is σ = 131734217745. Its totient is φ = 22661258400.

The previous prime is 56656512179. The next prime is 56656512217. The reversal of 56656512200 is 221565665.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

56656512200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55523381956 + 1133130244 = 235634^2 + 33662^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=168310.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3357785 + ... + 3374615.

Almost surely, 2^56656512200 is an apocalyptic number.

56656512200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56656512200 is an abundant number, since it is smaller than the sum of its proper divisors (75077705545).

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

56656512200 is an frugal number, since it uses more digits than its factorization.

56656512200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33678 (or 16838 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 56656512200 in words is "fifty-six billion, six hundred fifty-six million, five hundred twelve thousand, two hundred".