53663297 has 2 divisors, whose sum is σ = 53663298. Its totient is φ = 53663296.

The previous prime is 53663261. The next prime is 53663303. The reversal of 53663297 is 79236635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31798321 + 21864976 = 5639^2 + 4676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53663297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53663227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26831648 + 26831649.

It is an arithmetic number, because the mean of its divisors is an integer number (26831649).

Almost surely, 2^53663297 is an apocalyptic number.

It is an amenable number.

53663297 is a deficient number, since it is larger than the sum of its proper divisors (1).

53663297 is an equidigital number, since it uses as much as digits as its factorization.

53663297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 204120, while the sum is 41.

The square root of 53663297 is about 7325.5236672882. The cubic root of 53663297 is about 377.1890853996.

The spelling of 53663297 in words is "fifty-three million, six hundred sixty-three thousand, two hundred ninety-seven".