51590167 has 2 divisors, whose sum is σ = 51590168. Its totient is φ = 51590166.

The previous prime is 51590137. The next prime is 51590171. The reversal of 51590167 is 76109515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51590167 - 2⁷ = 51590039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51590137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25795083 + 25795084.

It is an arithmetic number, because the mean of its divisors is an integer number (25795084).

Almost surely, 2^51590167 is an apocalyptic number.

51590167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51590167 is an equidigital number, since it uses as much as digits as its factorization.

51590167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 51590167 is about 7182.6295324206. The cubic root of 51590167 is about 372.2679472981.

The spelling of 51590167 in words is "fifty-one million, five hundred ninety thousand, one hundred sixty-seven".