56365882225 has 27 divisors (see below), whose sum is σ = 70732293249. Its totient is φ = 44558047200.

The previous prime is 56365882171. The next prime is 56365882241. The reversal of 56365882225 is 52228856365.

The square root of 56365882225 is 237415.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5762479921 + 50603402304 = 75911^2 + 224952^2 .

It is not a de Polignac number, because 56365882225 - 2¹¹ = 56365880177 is a prime.

It is a super-2 number, since 2×56365882225² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 122268495 + ... + 122268955.

Almost surely, 2^56365882225 is an apocalyptic number.

56365882225 is the 237415-th square number.

56365882225 is the 118708-th centered octagonal number.

It is an amenable number.

56365882225 is a deficient number, since it is larger than the sum of its proper divisors (14366411024).

56365882225 is an frugal number, since it uses more digits than its factorization.

56365882225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138 (or 569 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 52.

The spelling of 56365882225 in words is "fifty-six billion, three hundred sixty-five million, eight hundred eighty-two thousand, two hundred twenty-five".