53616925 has 6 divisors (see below), whose sum is σ = 66485018. Its totient is φ = 42893520.

The previous prime is 53616923. The next prime is 53616931. The reversal of 53616925 is 52961635.

It can be written as a sum of positive squares in 3 ways, for example, as 224676 + 53392249 = 474^2 + 7307^2 .

It is not a de Polignac number, because 53616925 - 2¹ = 53616923 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 (53616923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1072314 + ... + 1072363.

Almost surely, 2^53616925 is an apocalyptic number.

It is an amenable number.

53616925 is a deficient number, since it is larger than the sum of its proper divisors (12868093).

53616925 is a wasteful number, since it uses less digits than its factorization.

53616925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144687 (or 2144682 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 53616925 is about 7322.3578852717. The cubic root of 53616925 is about 377.0804074401.

The spelling of 53616925 in words is "fifty-three million, six hundred sixteen thousand, nine hundred twenty-five".