53140711 has 4 divisors (see below), whose sum is σ = 57228472. Its totient is φ = 49052952.

The previous prime is 53140709. The next prime is 53140721. The reversal of 53140711 is 11704135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11704135 = 5 ⋅2340827.

It is not a de Polignac number, because 53140711 - 2¹ = 53140709 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 (53140721) 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, 2043861 + ... + 2043886.

It is an arithmetic number, because the mean of its divisors is an integer number (14307118).

Almost surely, 2^53140711 is an apocalyptic number.

53140711 is a deficient number, since it is larger than the sum of its proper divisors (4087761).

53140711 is a wasteful number, since it uses less digits than its factorization.

53140711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087760.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 53140711 is about 7289.7675545932. The cubic root of 53140711 is about 375.9607035098.

Adding to 53140711 its reverse (11704135), we get a palindrome (64844846).

The spelling of 53140711 in words is "fifty-three million, one hundred forty thousand, seven hundred eleven".