53025309 has 12 divisors (see below), whose sum is σ = 76692096. Its totient is φ = 35304072.

The previous prime is 53025239. The next prime is 53025331. The reversal of 53025309 is 90352035.

It is not a de Polignac number, because 53025309 - 2⁸ = 53025053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53025359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4354 + ... + 11180.

It is an arithmetic number, because the mean of its divisors is an integer number (6391008).

Almost surely, 2^53025309 is an apocalyptic number.

It is an amenable number.

53025309 is a deficient number, since it is larger than the sum of its proper divisors (23666787).

53025309 is a wasteful number, since it uses less digits than its factorization.

53025309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7696 (or 7693 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 53025309 is about 7281.8479110731. The cubic root of 53025309 is about 375.6883569992.

The spelling of 53025309 in words is "fifty-three million, twenty-five thousand, three hundred nine".