53143711 has 4 divisors (see below), whose sum is σ = 53158552. Its totient is φ = 53128872.

The previous prime is 53143691. The next prime is 53143763. The reversal of 53143711 is 11734135.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 53143711 - 2⁵ = 53143679 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 (53143771) 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, 1636 + ... + 10438.

It is an arithmetic number, because the mean of its divisors is an integer number (13289638).

Almost surely, 2^53143711 is an apocalyptic number.

53143711 is a deficient number, since it is larger than the sum of its proper divisors (14841).

53143711 is an equidigital number, since it uses as much as digits as its factorization.

53143711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14840.

The product of its digits is 1260, while the sum is 25.

The square root of 53143711 is about 7289.9733195671. The cubic root of 53143711 is about 375.9677781917.

Adding to 53143711 its reverse (11734135), we get a palindrome (64877846).

It can be divided in two parts, 5314 and 3711, that added together give a square (9025 = 95²).

The spelling of 53143711 in words is "fifty-three million, one hundred forty-three thousand, seven hundred eleven".