51096919 has 2 divisors, whose sum is σ = 51096920. Its totient is φ = 51096918.

The previous prime is 51096901. The next prime is 51096923. The reversal of 51096919 is 91969015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51096919 - 2¹⁹ = 50572631 is a prime.

It is a super-2 number, since 2×51096919² = 5221790262585122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51096319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25548459 + 25548460.

It is an arithmetic number, because the mean of its divisors is an integer number (25548460).

Almost surely, 2^51096919 is an apocalyptic number.

51096919 is a deficient number, since it is larger than the sum of its proper divisors (1).

51096919 is an equidigital number, since it uses as much as digits as its factorization.

51096919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870, while the sum is 40.

The square root of 51096919 is about 7148.2108950422. The cubic root of 51096919 is about 371.0777415471.

The spelling of 51096919 in words is "fifty-one million, ninety-six thousand, nine hundred nineteen".