51450167 has 2 divisors, whose sum is σ = 51450168. Its totient is φ = 51450166.

The previous prime is 51450131. The next prime is 51450169. The reversal of 51450167 is 76105415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51450167 - 2⁸ = 51449911 is a prime.

Together with 51450169, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51450169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25725083 + 25725084.

It is an arithmetic number, because the mean of its divisors is an integer number (25725084).

Almost surely, 2^51450167 is an apocalyptic number.

51450167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51450167 is an equidigital number, since it uses as much as digits as its factorization.

51450167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 51450167 is about 7172.8771772560. The cubic root of 51450167 is about 371.9309016261.

The spelling of 51450167 in words is "fifty-one million, four hundred fifty thousand, one hundred sixty-seven".