51566467 has 2 divisors, whose sum is σ = 51566468. Its totient is φ = 51566466.

The previous prime is 51566441. The next prime is 51566477. The reversal of 51566467 is 76466515.

51566467 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 not a de Polignac number, because 51566467 - 2¹¹ = 51564419 is a prime.

It is not a weakly prime, because it can be changed into another prime (51566407) 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, 25783233 + 25783234.

It is an arithmetic number, because the mean of its divisors is an integer number (25783234).

Almost surely, 2^51566467 is an apocalyptic number.

51566467 is a deficient number, since it is larger than the sum of its proper divisors (1).

51566467 is an equidigital number, since it uses as much as digits as its factorization.

51566467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 40.

The square root of 51566467 is about 7180.9795292843. The cubic root of 51566467 is about 372.2109331923.

The spelling of 51566467 in words is "fifty-one million, five hundred sixty-six thousand, four hundred sixty-seven".