51083617 has 4 divisors (see below), whose sum is σ = 55013140. Its totient is φ = 47154096.

The previous prime is 51083603. The next prime is 51083639. The reversal of 51083617 is 71638015.

51083617 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.

It can be written as a sum of positive squares in 2 ways, for example, as 2307361 + 48776256 = 1519^2 + 6984^2 .

It is a cyclic number.

It is not a de Polignac number, because 51083617 - 2¹⁵ = 51050849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51083677) 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, 1964742 + ... + 1964767.

It is an arithmetic number, because the mean of its divisors is an integer number (13753285).

Almost surely, 2^51083617 is an apocalyptic number.

It is an amenable number.

51083617 is a deficient number, since it is larger than the sum of its proper divisors (3929523).

51083617 is a wasteful number, since it uses less digits than its factorization.

51083617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929522.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 51083617 is about 7147.2803918693. The cubic root of 51083617 is about 371.0455380104.

The spelling of 51083617 in words is "fifty-one million, eighty-three thousand, six hundred seventeen".