51104117 has 2 divisors, whose sum is σ = 51104118. Its totient is φ = 51104116.

The previous prime is 51104111. The next prime is 51104143. The reversal of 51104117 is 71140115.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28313041 + 22791076 = 5321^2 + 4774^2 .

It is a cyclic number.

It is not a de Polignac number, because 51104117 - 2¹⁴ = 51087733 is a prime.

It is a super-2 number, since 2×51104117² = 5223261548699378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51104111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25552058 + 25552059.

It is an arithmetic number, because the mean of its divisors is an integer number (25552059).

Almost surely, 2^51104117 is an apocalyptic number.

It is an amenable number.

51104117 is a deficient number, since it is larger than the sum of its proper divisors (1).

51104117 is an equidigital number, since it uses as much as digits as its factorization.

51104117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 51104117 is about 7148.7143599391. The cubic root of 51104117 is about 371.0951652471.

The spelling of 51104117 in words is "fifty-one million, one hundred four thousand, one hundred seventeen".