51107417 has 4 divisors (see below), whose sum is σ = 51121716. Its totient is φ = 51093120.

The previous prime is 51107387. The next prime is 51107429. The reversal of 51107417 is 71470115.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22762441 + 28344976 = 4771^2 + 5324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51107417 is a prime.

It is a super-2 number, since 2×51107417² = 5223936144823778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51101417) 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, 3533 + ... + 10709.

It is an arithmetic number, because the mean of its divisors is an integer number (12780429).

Almost surely, 2^51107417 is an apocalyptic number.

It is an amenable number.

51107417 is a deficient number, since it is larger than the sum of its proper divisors (14299).

51107417 is an equidigital number, since it uses as much as digits as its factorization.

51107417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14298.

The product of its (nonzero) digits is 980, while the sum is 26.

The square root of 51107417 is about 7148.9451669460. The cubic root of 51107417 is about 371.1031527816.

The spelling of 51107417 in words is "fifty-one million, one hundred seven thousand, four hundred seventeen".