51877169 has 2 divisors, whose sum is σ = 51877170. Its totient is φ = 51877168.

The previous prime is 51877157. The next prime is 51877187. The reversal of 51877169 is 96177815.

51877169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48832144 + 3045025 = 6988^2 + 1745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51877169 is a prime.

It is a super-2 number, since 2×51877169² = 5382481326909122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51877109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25938584 + 25938585.

It is an arithmetic number, because the mean of its divisors is an integer number (25938585).

Almost surely, 2^51877169 is an apocalyptic number.

It is an amenable number.

51877169 is a deficient number, since it is larger than the sum of its proper divisors (1).

51877169 is an equidigital number, since it uses as much as digits as its factorization.

51877169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 44.

The square root of 51877169 is about 7202.5807180482. The cubic root of 51877169 is about 372.9569941816.

The spelling of 51877169 in words is "fifty-one million, eight hundred seventy-seven thousand, one hundred sixty-nine".