51793369 has 2 divisors, whose sum is σ = 51793370. Its totient is φ = 51793368.

The previous prime is 51793367. The next prime is 51793381. The reversal of 51793369 is 96339715.

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., 51667344 + 126025 = 7188^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 51793369 - 2¹ = 51793367 is a prime.

It is a super-2 number, since 2×51793369² = 5365106144740322, which contains 22 as substring.

Together with 51793367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (51793367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25896684 + 25896685.

It is an arithmetic number, because the mean of its divisors is an integer number (25896685).

Almost surely, 2^51793369 is an apocalyptic number.

It is an amenable number.

51793369 is a deficient number, since it is larger than the sum of its proper divisors (1).

51793369 is an equidigital number, since it uses as much as digits as its factorization.

51793369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 43.

The square root of 51793369 is about 7196.7610075644. The cubic root of 51793369 is about 372.7560667442.

The spelling of 51793369 in words is "fifty-one million, seven hundred ninety-three thousand, three hundred sixty-nine".