51455167 has 2 divisors, whose sum is σ = 51455168. Its totient is φ = 51455166.

The previous prime is 51455143. The next prime is 51455179. The reversal of 51455167 is 76155415.

51455167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51455167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51455267) 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, 25727583 + 25727584.

It is an arithmetic number, because the mean of its divisors is an integer number (25727584).

Almost surely, 2^51455167 is an apocalyptic number.

51455167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51455167 is an equidigital number, since it uses as much as digits as its factorization.

51455167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 34.

The square root of 51455167 is about 7173.2257039633. The cubic root of 51455167 is about 371.9429494929.

The spelling of 51455167 in words is "fifty-one million, four hundred fifty-five thousand, one hundred sixty-seven".