51545353 has 2 divisors, whose sum is σ = 51545354. Its totient is φ = 51545352.

The previous prime is 51545341. The next prime is 51545357. The reversal of 51545353 is 35354515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32114889 + 19430464 = 5667^2 + 4408^2 .

It is a cyclic number.

It is not a de Polignac number, because 51545353 - 2⁹ = 51544841 is a prime.

It is not a weakly prime, because it can be changed into another prime (51545357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25772676 + 25772677.

It is an arithmetic number, because the mean of its divisors is an integer number (25772677).

Almost surely, 2^51545353 is an apocalyptic number.

It is an amenable number.

51545353 is a deficient number, since it is larger than the sum of its proper divisors (1).

51545353 is an equidigital number, since it uses as much as digits as its factorization.

51545353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22500, while the sum is 31.

The square root of 51545353 is about 7179.5092450668. The cubic root of 51545353 is about 372.1601254034.

Adding to 51545353 its reverse (35354515), we get a palindrome (86899868).

The spelling of 51545353 in words is "fifty-one million, five hundred forty-five thousand, three hundred fifty-three".