56081344225 has 9 divisors (see below), whose sum is σ = 69542335123. Its totient is φ = 44864128120.

The previous prime is 56081344223. The next prime is 56081344229. The reversal of 56081344225 is 52244318065.

The square root of 56081344225 is 236815.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20189283921 + 35892060304 = 142089^2 + 189452^2 .

It is not a de Polignac number, because 56081344225 - 2¹ = 56081344223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56081344223) 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 8 ways as a sum of consecutive naturals, for example, 1160394 + ... + 1207756.

Almost surely, 2^56081344225 is an apocalyptic number.

56081344225 is the 236815-th square number.

56081344225 is the 118408-th centered octagonal number.

It is an amenable number.

56081344225 is a deficient number, since it is larger than the sum of its proper divisors (13460990898).

56081344225 is an frugal number, since it uses more digits than its factorization.

56081344225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94736 (or 47368 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 56081344225 in words is "fifty-six billion, eighty-one million, three hundred forty-four thousand, two hundred twenty-five".