53685347 has 4 divisors (see below), whose sum is σ = 53700840. Its totient is φ = 53669856.

The previous prime is 53685287. The next prime is 53685353. The reversal of 53685347 is 74358635.

53685347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53685347 - 2⁸ = 53685091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53685367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 10362.

It is an arithmetic number, because the mean of its divisors is an integer number (13425210).

Almost surely, 2^53685347 is an apocalyptic number.

53685347 is a deficient number, since it is larger than the sum of its proper divisors (15493).

53685347 is a wasteful number, since it uses less digits than its factorization.

53685347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15492.

The product of its digits is 302400, while the sum is 41.

The square root of 53685347 is about 7327.0285245794. The cubic root of 53685347 is about 377.2407400743.

The spelling of 53685347 in words is "fifty-three million, six hundred eighty-five thousand, three hundred forty-seven".