53585711 has 4 divisors (see below), whose sum is σ = 53604432. Its totient is φ = 53566992.

The previous prime is 53585689. The next prime is 53585737. The reversal of 53585711 is 11758535.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53585711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53485711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4070 + ... + 11123.

It is an arithmetic number, because the mean of its divisors is an integer number (13401108).

Almost surely, 2^53585711 is an apocalyptic number.

53585711 is a deficient number, since it is larger than the sum of its proper divisors (18721).

53585711 is a wasteful number, since it uses less digits than its factorization.

53585711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18720.

The product of its digits is 21000, while the sum is 35.

The square root of 53585711 is about 7320.2261577085. The cubic root of 53585711 is about 377.0072186560.

The spelling of 53585711 in words is "fifty-three million, five hundred eighty-five thousand, seven hundred eleven".