51930953 has 2 divisors, whose sum is σ = 51930954. Its totient is φ = 51930952.

The previous prime is 51930929. The next prime is 51930997. The reversal of 51930953 is 35903915.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30327049 + 21603904 = 5507^2 + 4648^2 .

It is a cyclic number.

It is not a de Polignac number, because 51930953 - 2¹⁶ = 51865417 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (51930353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25965476 + 25965477.

It is an arithmetic number, because the mean of its divisors is an integer number (25965477).

Almost surely, 2^51930953 is an apocalyptic number.

It is an amenable number.

51930953 is a deficient number, since it is larger than the sum of its proper divisors (1).

51930953 is an equidigital number, since it uses as much as digits as its factorization.

51930953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 51930953 is about 7206.3134125571. The cubic root of 51930953 is about 373.0858382133.

The spelling of 51930953 in words is "fifty-one million, nine hundred thirty thousand, nine hundred fifty-three".