53665125 has 16 divisors (see below), whose sum is σ = 89299392. Its totient is φ = 28621200.

The previous prime is 53665121. The next prime is 53665127. The reversal of 53665125 is 52156635.

It is not a de Polignac number, because 53665125 - 2² = 53665121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53665121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71179 + ... + 71928.

It is an arithmetic number, because the mean of its divisors is an integer number (5581212).

Almost surely, 2^53665125 is an apocalyptic number.

It is an amenable number.

53665125 is a deficient number, since it is larger than the sum of its proper divisors (35634267).

53665125 is a wasteful number, since it uses less digits than its factorization.

53665125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143125 (or 143115 counting only the distinct ones).

The product of its digits is 27000, while the sum is 33.

The square root of 53665125 is about 7325.6484354629. The cubic root of 53665125 is about 377.1933682388.

The spelling of 53665125 in words is "fifty-three million, six hundred sixty-five thousand, one hundred twenty-five".