51596693 has 4 divisors (see below), whose sum is σ = 51617100. Its totient is φ = 51576288.

The previous prime is 51596651. The next prime is 51596707. The reversal of 51596693 is 39669515.

51596693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39669515 = 5 ⋅7933903.

It can be written as a sum of positive squares in 2 ways, for example, as 35129329 + 16467364 = 5927^2 + 4058^2 .

It is a cyclic number.

It is not a de Polignac number, because 51596693 - 2⁸ = 51596437 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 (51596393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5768 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (12904275).

Almost surely, 2^51596693 is an apocalyptic number.

It is an amenable number.

51596693 is a deficient number, since it is larger than the sum of its proper divisors (20407).

51596693 is a wasteful number, since it uses less digits than its factorization.

51596693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20406.

The product of its digits is 218700, while the sum is 44.

The square root of 51596693 is about 7183.0838085045. The cubic root of 51596693 is about 372.2836435592.

The spelling of 51596693 in words is "fifty-one million, five hundred ninety-six thousand, six hundred ninety-three".