51480167 has 2 divisors, whose sum is σ = 51480168. Its totient is φ = 51480166.

The previous prime is 51480151. The next prime is 51480193. The reversal of 51480167 is 76108415.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51480167 - 2⁴ = 51480151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51480197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25740083 + 25740084.

It is an arithmetic number, because the mean of its divisors is an integer number (25740084).

Almost surely, 2^51480167 is an apocalyptic number.

51480167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51480167 is an equidigital number, since it uses as much as digits as its factorization.

51480167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 51480167 is about 7174.9680835527. The cubic root of 51480167 is about 372.0031771224.

The spelling of 51480167 in words is "fifty-one million, four hundred eighty thousand, one hundred sixty-seven".