51907 has 2 divisors, whose sum is σ = 51908. Its totient is φ = 51906.

The previous prime is 51899. The next prime is 51913. The reversal of 51907 is 70915.

51907 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 51907 - 2³ = 51899 is a prime.

It is not a weakly prime, because it can be changed into another prime (51977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25953 + 25954.

It is an arithmetic number, because the mean of its divisors is an integer number (25954).

2⁵¹⁹⁰⁷ is an apocalyptic number.

51907 is a deficient number, since it is larger than the sum of its proper divisors (1).

51907 is an equidigital number, since it uses as much as digits as its factorization.

51907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 51907 is about 227.8310777747. The cubic root of 51907 is about 37.3028467808.

The spelling of 51907 in words is "fifty-one thousand, nine hundred seven".