56165625 has 36 divisors (see below), whose sum is σ = 101454444. Its totient is φ = 29940000.

The previous prime is 56165621. The next prime is 56165647. The reversal of 56165625 is 52656165.

It is a happy number.

56165625 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 6 ways, for example, as 55398249 + 767376 = 7443^2 + 876^2 .

It is not a de Polignac number, because 56165625 - 2² = 56165621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56165625.

It is not an unprimeable number, because it can be changed into a prime (56165621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27127 + ... + 29123.

It is an arithmetic number, because the mean of its divisors is an integer number (2818179).

Almost surely, 2^56165625 is an apocalyptic number.

It is an amenable number.

56165625 is a deficient number, since it is larger than the sum of its proper divisors (45288819).

56165625 is an equidigital number, since it uses as much as digits as its factorization.

56165625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2005 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 56165625 is about 7494.3728890415. The cubic root of 56165625 is about 382.9630429701.

The spelling of 56165625 in words is "fifty-six million, one hundred sixty-five thousand, six hundred twenty-five".