56443121210 has 32 divisors (see below), whose sum is σ = 122222701440. Its totient is φ = 18333404352.

The previous prime is 56443121177. The next prime is 56443121221. The reversal of 56443121210 is 1212134465.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21217889 + ... + 21220548.

It is an arithmetic number, because the mean of its divisors is an integer number (3819459420).

Almost surely, 2^56443121210 is an apocalyptic number.

56443121210 is an abundant number, since it is smaller than the sum of its proper divisors (65779580230).

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

56443121210 is a wasteful number, since it uses less digits than its factorization.

56443121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42438470.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 56443121210 its reverse (1212134465), we get a palindrome (57655255675).

The spelling of 56443121210 in words is "fifty-six billion, four hundred forty-three million, one hundred twenty-one thousand, two hundred ten".