51953329 has 2 divisors, whose sum is σ = 51953330. Its totient is φ = 51953328.

The previous prime is 51953299. The next prime is 51953339. The reversal of 51953329 is 92335915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26471025 + 25482304 = 5145^2 + 5048^2 .

It is a cyclic number.

It is not a de Polignac number, because 51953329 - 2¹¹ = 51951281 is a prime.

It is not a weakly prime, because it can be changed into another prime (51953339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25976664 + 25976665.

It is an arithmetic number, because the mean of its divisors is an integer number (25976665).

Almost surely, 2^51953329 is an apocalyptic number.

It is an amenable number.

51953329 is a deficient number, since it is larger than the sum of its proper divisors (1).

51953329 is an equidigital number, since it uses as much as digits as its factorization.

51953329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 37.

The square root of 51953329 is about 7207.8657728901. The cubic root of 51953329 is about 373.1394155726.

The spelling of 51953329 in words is "fifty-one million, nine hundred fifty-three thousand, three hundred twenty-nine".