51928307 has 2 divisors, whose sum is σ = 51928308. Its totient is φ = 51928306.

The previous prime is 51928301. The next prime is 51928309. The reversal of 51928307 is 70382915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51928307 - 2¹⁸ = 51666163 is a prime.

Together with 51928309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51928301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25964153 + 25964154.

It is an arithmetic number, because the mean of its divisors is an integer number (25964154).

Almost surely, 2^51928307 is an apocalyptic number.

51928307 is a deficient number, since it is larger than the sum of its proper divisors (1).

51928307 is an equidigital number, since it uses as much as digits as its factorization.

51928307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 51928307 is about 7206.1298212008. The cubic root of 51928307 is about 373.0795015821.

The spelling of 51928307 in words is "fifty-one million, nine hundred twenty-eight thousand, three hundred seven".