51963929 has 2 divisors, whose sum is σ = 51963930. Its totient is φ = 51963928.

The previous prime is 51963913. The next prime is 51963949. The reversal of 51963929 is 92936915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39375625 + 12588304 = 6275^2 + 3548^2 .

It is a cyclic number.

It is not a de Polignac number, because 51963929 - 2⁴ = 51963913 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51963929.

It is not a weakly prime, because it can be changed into another prime (51963949) 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, 25981964 + 25981965.

It is an arithmetic number, because the mean of its divisors is an integer number (25981965).

Almost surely, 2^51963929 is an apocalyptic number.

It is an amenable number.

51963929 is a deficient number, since it is larger than the sum of its proper divisors (1).

51963929 is an equidigital number, since it uses as much as digits as its factorization.

51963929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 44.

The square root of 51963929 is about 7208.6010431983. The cubic root of 51963929 is about 373.1647909683.

The spelling of 51963929 in words is "fifty-one million, nine hundred sixty-three thousand, nine hundred twenty-nine".