53116705 has 4 divisors (see below), whose sum is σ = 63740052. Its totient is φ = 42493360.

The previous prime is 53116703. The next prime is 53116717. The reversal of 53116705 is 50761135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50761135 = 5 ⋅10152227.

It can be written as a sum of positive squares in 2 ways, for example, as 9345249 + 43771456 = 3057^2 + 6616^2 .

It is not a de Polignac number, because 53116705 - 2¹ = 53116703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53116703) 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, 5311666 + ... + 5311675.

It is an arithmetic number, because the mean of its divisors is an integer number (15935013).

Almost surely, 2^53116705 is an apocalyptic number.

It is an amenable number.

53116705 is a deficient number, since it is larger than the sum of its proper divisors (10623347).

53116705 is a wasteful number, since it uses less digits than its factorization.

53116705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623346.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 53116705 is about 7288.1208140370. The cubic root of 53116705 is about 375.9040823125.

The spelling of 53116705 in words is "fifty-three million, one hundred sixteen thousand, seven hundred five".