51560417 has 4 divisors (see below), whose sum is σ = 51592980. Its totient is φ = 51527856.

The previous prime is 51560393. The next prime is 51560419. The reversal of 51560417 is 71406515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71406515 = 5 ⋅14281303.

It can be written as a sum of positive squares in 2 ways, for example, as 23512801 + 28047616 = 4849^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 51560417 - 2¹⁰ = 51559393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51560417.

It is not an unprimeable number, because it can be changed into a prime (51560419) 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, 13778 + ... + 17115.

It is an arithmetic number, because the mean of its divisors is an integer number (12898245).

Almost surely, 2^51560417 is an apocalyptic number.

It is an amenable number.

51560417 is a deficient number, since it is larger than the sum of its proper divisors (32563).

51560417 is a wasteful number, since it uses less digits than its factorization.

51560417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32562.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51560417 is about 7180.5582652047. The cubic root of 51560417 is about 372.1963761597.

The spelling of 51560417 in words is "fifty-one million, five hundred sixty thousand, four hundred seventeen".