51924641 has 2 divisors, whose sum is σ = 51924642. Its totient is φ = 51924640.

The previous prime is 51924637. The next prime is 51924667. The reversal of 51924641 is 14642915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 12285025 = 6296^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 51924641 - 2² = 51924637 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51924598 and 51924607.

It is not a weakly prime, because it can be changed into another prime (51924611) 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, 25962320 + 25962321.

It is an arithmetic number, because the mean of its divisors is an integer number (25962321).

Almost surely, 2^51924641 is an apocalyptic number.

It is an amenable number.

51924641 is a deficient number, since it is larger than the sum of its proper divisors (1).

51924641 is an equidigital number, since it uses as much as digits as its factorization.

51924641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 32.

The square root of 51924641 is about 7205.8754499367. The cubic root of 51924641 is about 373.0707219029.

The spelling of 51924641 in words is "fifty-one million, nine hundred twenty-four thousand, six hundred forty-one".