51626167 has 2 divisors, whose sum is σ = 51626168. Its totient is φ = 51626166.

The previous prime is 51626147. The next prime is 51626189. The reversal of 51626167 is 76162615.

It is a happy number.

51626167 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 is a cyclic number.

It is not a de Polignac number, because 51626167 - 2⁷ = 51626039 is a prime.

It is a super-2 number, since 2×51626167² = 5330522238223778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51626117) 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, 25813083 + 25813084.

It is an arithmetic number, because the mean of its divisors is an integer number (25813084).

Almost surely, 2^51626167 is an apocalyptic number.

51626167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51626167 is an equidigital number, since it uses as much as digits as its factorization.

51626167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 51626167 is about 7185.1351413874. The cubic root of 51626167 is about 372.3545176068.

The spelling of 51626167 in words is "fifty-one million, six hundred twenty-six thousand, one hundred sixty-seven".