51594419 has 2 divisors, whose sum is σ = 51594420. Its totient is φ = 51594418.

The previous prime is 51594409. The next prime is 51594421. The reversal of 51594419 is 91449515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51594419 - 2⁸ = 51594163 is a prime.

It is a super-2 number, since 2×51594419² = 5323968143895122, which contains 22 as substring.

Together with 51594421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51594409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25797209 + 25797210.

It is an arithmetic number, because the mean of its divisors is an integer number (25797210).

Almost surely, 2^51594419 is an apocalyptic number.

51594419 is a deficient number, since it is larger than the sum of its proper divisors (1).

51594419 is an equidigital number, since it uses as much as digits as its factorization.

51594419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 38.

The square root of 51594419 is about 7182.9255181994. The cubic root of 51594419 is about 372.2781743105.

The spelling of 51594419 in words is "fifty-one million, five hundred ninety-four thousand, four hundred nineteen".