53565625 has 24 divisors (see below), whose sum is σ = 68292504. Its totient is φ = 42000000.

The previous prime is 53565599. The next prime is 53565637. The reversal of 53565625 is 52656535.

53565625 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 12 ways, for example, as 51955264 + 1610361 = 7208^2 + 1269^2 .

It is not a de Polignac number, because 53565625 - 2¹¹ = 53563577 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 190485 + ... + 190765.

It is an arithmetic number, because the mean of its divisors is an integer number (2845521).

Almost surely, 2^53565625 is an apocalyptic number.

It is an amenable number.

53565625 is a deficient number, since it is larger than the sum of its proper divisors (14726879).

53565625 is an frugal number, since it uses more digits than its factorization.

53565625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 347 counting only the distinct ones).

The product of its digits is 135000, while the sum is 37.

The square root of 53565625 is about 7318.8540769713. The cubic root of 53565625 is about 376.9601071331.

The spelling of 53565625 in words is "fifty-three million, five hundred sixty-five thousand, six hundred twenty-five".