51746705 has 4 divisors (see below), whose sum is σ = 62096052. Its totient is φ = 41397360.

The previous prime is 51746699. The next prime is 51746731. The reversal of 51746705 is 50764715.

51746705 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: 50764715 = 5 ⋅10152943.

It can be written as a sum of positive squares in 2 ways, for example, as 25573249 + 26173456 = 5057^2 + 5116^2 .

It is not a de Polignac number, because 51746705 - 2⁴ = 51746689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 5174666 + ... + 5174675.

It is an arithmetic number, because the mean of its divisors is an integer number (15524013).

Almost surely, 2^51746705 is an apocalyptic number.

It is an amenable number.

51746705 is a deficient number, since it is larger than the sum of its proper divisors (10349347).

51746705 is a wasteful number, since it uses less digits than its factorization.

51746705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10349346.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 51746705 is about 7193.5182629920. The cubic root of 51746705 is about 372.6440864146.

The spelling of 51746705 in words is "fifty-one million, seven hundred forty-six thousand, seven hundred five".