51763169 has 2 divisors, whose sum is σ = 51763170. Its totient is φ = 51763168.

The previous prime is 51763123. The next prime is 51763193. The reversal of 51763169 is 96136715.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50225569 + 1537600 = 7087^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 51763169 - 2¹² = 51759073 is a prime.

It is a super-2 number, since 2×51763169² = 5358851329845122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51763969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25881584 + 25881585.

It is an arithmetic number, because the mean of its divisors is an integer number (25881585).

Almost surely, 2^51763169 is an apocalyptic number.

It is an amenable number.

51763169 is a deficient number, since it is larger than the sum of its proper divisors (1).

51763169 is an equidigital number, since it uses as much as digits as its factorization.

51763169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 51763169 is about 7194.6625355190. The cubic root of 51763169 is about 372.6836030156.

The spelling of 51763169 in words is "fifty-one million, seven hundred sixty-three thousand, one hundred sixty-nine".