53691713 has 4 divisors (see below), whose sum is σ = 53896128. Its totient is φ = 53487300.

The previous prime is 53691709. The next prime is 53691727. The reversal of 53691713 is 31719635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31719635 = 5 ⋅6343927.

It is a cyclic number.

It is not a de Polignac number, because 53691713 - 2² = 53691709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53691013) 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 3 ways as a sum of consecutive naturals, for example, 101813 + ... + 102338.

It is an arithmetic number, because the mean of its divisors is an integer number (13474032).

Almost surely, 2^53691713 is an apocalyptic number.

It is an amenable number.

53691713 is a deficient number, since it is larger than the sum of its proper divisors (204415).

53691713 is a wasteful number, since it uses less digits than its factorization.

53691713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204414.

The product of its digits is 17010, while the sum is 35.

The square root of 53691713 is about 7327.4629306466. The cubic root of 53691713 is about 377.2556505341.

The spelling of 53691713 in words is "fifty-three million, six hundred ninety-one thousand, seven hundred thirteen".