51392027 has 2 divisors, whose sum is σ = 51392028. Its totient is φ = 51392026.

The previous prime is 51391937. The next prime is 51392039. The reversal of 51392027 is 72029315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51392027 - 2⁸ = 51391771 is a prime.

It is a super-2 number, since 2×51392027² = 5282280878337458, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51392227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25696013 + 25696014.

It is an arithmetic number, because the mean of its divisors is an integer number (25696014).

Almost surely, 2^51392027 is an apocalyptic number.

51392027 is a deficient number, since it is larger than the sum of its proper divisors (1).

51392027 is an equidigital number, since it uses as much as digits as its factorization.

51392027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 51392027 is about 7168.8232646649. The cubic root of 51392027 is about 371.7907516892.

The spelling of 51392027 in words is "fifty-one million, three hundred ninety-two thousand, twenty-seven".