51793669 has 2 divisors, whose sum is σ = 51793670. Its totient is φ = 51793668.

The previous prime is 51793649. The next prime is 51793711. The reversal of 51793669 is 96639715.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34363044 + 17430625 = 5862^2 + 4175^2 .

It is a cyclic number.

It is not a de Polignac number, because 51793669 - 2⁷ = 51793541 is a prime.

It is a super-2 number, since 2×51793669² = 5365168296963122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51793649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25896834 + 25896835.

It is an arithmetic number, because the mean of its divisors is an integer number (25896835).

Almost surely, 2^51793669 is an apocalyptic number.

It is an amenable number.

51793669 is a deficient number, since it is larger than the sum of its proper divisors (1).

51793669 is an equidigital number, since it uses as much as digits as its factorization.

51793669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 306180, while the sum is 46.

The square root of 51793669 is about 7196.7818502439. The cubic root of 51793669 is about 372.7567864413.

The spelling of 51793669 in words is "fifty-one million, seven hundred ninety-three thousand, six hundred sixty-nine".