53242625 has 16 divisors (see below), whose sum is σ = 66894672. Its totient is φ = 42307200.

The previous prime is 53242619. The next prime is 53242627. The reversal of 53242625 is 52624235.

It can be written as a sum of positive squares in 8 ways, for example, as 7219969 + 46022656 = 2687^2 + 6784^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53242625 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53242627) 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 15 ways as a sum of consecutive naturals, for example, 18269 + ... + 20981.

It is an arithmetic number, because the mean of its divisors is an integer number (4180917).

Almost surely, 2^53242625 is an apocalyptic number.

It is an amenable number.

53242625 is a deficient number, since it is larger than the sum of its proper divisors (13652047).

53242625 is a wasteful number, since it uses less digits than its factorization.

53242625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885 (or 2875 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 53242625 is about 7296.7544154919. The cubic root of 53242625 is about 376.2008909315.

The spelling of 53242625 in words is "fifty-three million, two hundred forty-two thousand, six hundred twenty-five".