51793519 has 2 divisors, whose sum is σ = 51793520. Its totient is φ = 51793518.

The previous prime is 51793501. The next prime is 51793523. The reversal of 51793519 is 91539715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51793519 - 2¹¹ = 51791471 is a prime.

It is a super-2 number, since 2×51793519² = 5365137220806722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51793549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25896759 + 25896760.

It is an arithmetic number, because the mean of its divisors is an integer number (25896760).

Almost surely, 2^51793519 is an apocalyptic number.

51793519 is a deficient number, since it is larger than the sum of its proper divisors (1).

51793519 is an equidigital number, since it uses as much as digits as its factorization.

51793519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42525, while the sum is 40.

The square root of 51793519 is about 7196.7714289117. The cubic root of 51793519 is about 372.7564265931.

The spelling of 51793519 in words is "fifty-one million, seven hundred ninety-three thousand, five hundred nineteen".