53168725 has 6 divisors (see below), whose sum is σ = 65929250. Its totient is φ = 42534960.

The previous prime is 53168719. The next prime is 53168729. The reversal of 53168725 is 52786135.

53168725 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 3 ways, for example, as 39204 + 53129521 = 198^2 + 7289^2 .

It is not a de Polignac number, because 53168725 - 2¹³ = 53160533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53168729) 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 5 ways as a sum of consecutive naturals, for example, 1063350 + ... + 1063399.

Almost surely, 2^53168725 is an apocalyptic number.

It is an amenable number.

53168725 is a deficient number, since it is larger than the sum of its proper divisors (12760525).

53168725 is a wasteful number, since it uses less digits than its factorization.

53168725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126759 (or 2126754 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 53168725 is about 7291.6887618713. The cubic root of 53168725 is about 376.0267565274.

It can be divided in two parts, 5316 and 8725, that added together give a palindrome (14041).

The spelling of 53168725 in words is "fifty-three million, one hundred sixty-eight thousand, seven hundred twenty-five".