56565315443620 has 12 divisors (see below), whose sum is σ = 118787162431644. Its totient is φ = 22626126177440.

The previous prime is 56565315443617. The next prime is 56565315443629. The reversal of 56565315443620 is 2634451356565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14009315381604 + 42556000062016 = 3742902^2 + 6523496^2 .

It is a super-2 number, since 2×56565315443620² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56565315443629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414132886071 + ... + 1414132886110.

It is an arithmetic number, because the mean of its divisors is an integer number (9898930202637).

Almost surely, 2^{56565315443620} is an apocalyptic number.

It is an amenable number.

56565315443620 is an abundant number, since it is smaller than the sum of its proper divisors (62221846988024).

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

56565315443620 is a wasteful number, since it uses less digits than its factorization.

56565315443620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828265772190 (or 2828265772188 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 56565315443620 in words is "fifty-six trillion, five hundred sixty-five billion, three hundred fifteen million, four hundred forty-three thousand, six hundred twenty".