51936847 has 2 divisors, whose sum is σ = 51936848. Its totient is φ = 51936846.

The previous prime is 51936839. The next prime is 51936869. The reversal of 51936847 is 74863915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51936847 - 2³ = 51936839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51936827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25968423 + 25968424.

It is an arithmetic number, because the mean of its divisors is an integer number (25968424).

Almost surely, 2^51936847 is an apocalyptic number.

51936847 is a deficient number, since it is larger than the sum of its proper divisors (1).

51936847 is an equidigital number, since it uses as much as digits as its factorization.

51936847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 43.

The square root of 51936847 is about 7206.7223479193. The cubic root of 51936847 is about 373.0999523695.

The spelling of 51936847 in words is "fifty-one million, nine hundred thirty-six thousand, eight hundred forty-seven".