51696119 has 2 divisors, whose sum is σ = 51696120. Its totient is φ = 51696118.

The previous prime is 51696109. The next prime is 51696163. The reversal of 51696119 is 91169615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51696119 - 2⁴ = 51696103 is a prime.

It is a super-2 number, since 2×51696119² = 5344977439324322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51696109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25848059 + 25848060.

It is an arithmetic number, because the mean of its divisors is an integer number (25848060).

Almost surely, 2^51696119 is an apocalyptic number.

51696119 is a deficient number, since it is larger than the sum of its proper divisors (1).

51696119 is an equidigital number, since it uses as much as digits as its factorization.

51696119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 38.

The square root of 51696119 is about 7190.0013212794. The cubic root of 51696119 is about 372.5226183284.

It can be divided in two parts, 51696 and 119, that added together give a palindrome (51815).

The spelling of 51696119 in words is "fifty-one million, six hundred ninety-six thousand, one hundred nineteen".