51965527 has 2 divisors, whose sum is σ = 51965528. Its totient is φ = 51965526.

The previous prime is 51965509. The next prime is 51965569. The reversal of 51965527 is 72556915.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51965527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51965527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51965227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25982763 + 25982764.

It is an arithmetic number, because the mean of its divisors is an integer number (25982764).

Almost surely, 2^51965527 is an apocalyptic number.

51965527 is a deficient number, since it is larger than the sum of its proper divisors (1).

51965527 is an equidigital number, since it uses as much as digits as its factorization.

51965527 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94500, while the sum is 40.

The square root of 51965527 is about 7208.7118821604. The cubic root of 51965527 is about 373.1686161296.

The spelling of 51965527 in words is "fifty-one million, nine hundred sixty-five thousand, five hundred twenty-seven".