53645299 has 2 divisors, whose sum is σ = 53645300. Its totient is φ = 53645298.

The previous prime is 53645297. The next prime is 53645327. The reversal of 53645299 is 99254635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53645299 - 2¹ = 53645297 is a prime.

Together with 53645297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53645297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26822649 + 26822650.

It is an arithmetic number, because the mean of its divisors is an integer number (26822650).

Almost surely, 2^53645299 is an apocalyptic number.

53645299 is a deficient number, since it is larger than the sum of its proper divisors (1).

53645299 is an equidigital number, since it uses as much as digits as its factorization.

53645299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The square root of 53645299 is about 7324.2951196685. The cubic root of 53645299 is about 377.1469125141.

The spelling of 53645299 in words is "fifty-three million, six hundred forty-five thousand, two hundred ninety-nine".