53686325 has 36 divisors (see below), whose sum is σ = 83497632. Its totient is φ = 33266400.

The previous prime is 53686291. The next prime is 53686351. The reversal of 53686325 is 52368635.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-53686325 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 321392 + ... + 321558.

Almost surely, 2^53686325 is an apocalyptic number.

53686325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53686325 is a deficient number, since it is larger than the sum of its proper divisors (29811307).

53686325 is a wasteful number, since it uses less digits than its factorization.

53686325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 190 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 53686325 is about 7327.0952634724. The cubic root of 53686325 is about 377.2430308248.

The spelling of 53686325 in words is "fifty-three million, six hundred eighty-six thousand, three hundred twenty-five".