51739327 has 2 divisors, whose sum is σ = 51739328. Its totient is φ = 51739326.

The previous prime is 51739321. The next prime is 51739361. The reversal of 51739327 is 72393715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51739327 - 2⁷ = 51739199 is a prime.

It is a super-4 number, since 4×51739327⁴ (a number of 32 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51739321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25869663 + 25869664.

It is an arithmetic number, because the mean of its divisors is an integer number (25869664).

Almost surely, 2^51739327 is an apocalyptic number.

51739327 is a deficient number, since it is larger than the sum of its proper divisors (1).

51739327 is an equidigital number, since it uses as much as digits as its factorization.

51739327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39690, while the sum is 37.

The square root of 51739327 is about 7193.0054219360. The cubic root of 51739327 is about 372.6263751501.

The spelling of 51739327 in words is "fifty-one million, seven hundred thirty-nine thousand, three hundred twenty-seven".