51968827 has 2 divisors, whose sum is σ = 51968828. Its totient is φ = 51968826.

The previous prime is 51968809. The next prime is 51968863. The reversal of 51968827 is 72886915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51968827 - 2²³ = 43580219 is a prime.

It is not a weakly prime, because it can be changed into another prime (51968027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25984413 + 25984414.

It is an arithmetic number, because the mean of its divisors is an integer number (25984414).

Almost surely, 2^51968827 is an apocalyptic number.

51968827 is a deficient number, since it is larger than the sum of its proper divisors (1).

51968827 is an equidigital number, since it uses as much as digits as its factorization.

51968827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 46.

The square root of 51968827 is about 7208.9407682405. The cubic root of 51968827 is about 373.1765151506.

The spelling of 51968827 in words is "fifty-one million, nine hundred sixty-eight thousand, eight hundred twenty-seven".