53143297 has 2 divisors, whose sum is σ = 53143298. Its totient is φ = 53143296.

The previous prime is 53143273. The next prime is 53143303. The reversal of 53143297 is 79234135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46362481 + 6780816 = 6809^2 + 2604^2 .

It is a cyclic number.

It is not a de Polignac number, because 53143297 - 2⁷ = 53143169 is a prime.

It is not a weakly prime, because it can be changed into another prime (53143217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571648 + 26571649.

It is an arithmetic number, because the mean of its divisors is an integer number (26571649).

Almost surely, 2^53143297 is an apocalyptic number.

It is an amenable number.

53143297 is a deficient number, since it is larger than the sum of its proper divisors (1).

53143297 is an equidigital number, since it uses as much as digits as its factorization.

53143297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22680, while the sum is 34.

The square root of 53143297 is about 7289.9449243461. The cubic root of 53143297 is about 375.9668019014.

The spelling of 53143297 in words is "fifty-three million, one hundred forty-three thousand, two hundred ninety-seven".