53564725 has 12 divisors (see below), whose sum is σ = 67834944. Its totient is φ = 41939120.

The previous prime is 53564717. The next prime is 53564729. The reversal of 53564725 is 52746535.

53564725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53564725 - 2³ = 53564717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53564729) 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 11 ways as a sum of consecutive naturals, for example, 21619 + ... + 23968.

It is an arithmetic number, because the mean of its divisors is an integer number (5652912).

Almost surely, 2^53564725 is an apocalyptic number.

It is an amenable number.

53564725 is a deficient number, since it is larger than the sum of its proper divisors (14270219).

53564725 is a wasteful number, since it uses less digits than its factorization.

53564725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45644 (or 45639 counting only the distinct ones).

The product of its digits is 126000, while the sum is 37.

The square root of 53564725 is about 7318.7925916779. The cubic root of 53564725 is about 376.9579959159.

It can be divided in two parts, 53564 and 725, that added together give a square (54289 = 233²).

The spelling of 53564725 in words is "fifty-three million, five hundred sixty-four thousand, seven hundred twenty-five".