53669359 has 2 divisors, whose sum is σ = 53669360. Its totient is φ = 53669358.

The previous prime is 53669309. The next prime is 53669387. The reversal of 53669359 is 95396635.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53669359 - 2²³ = 45280751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53669309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26834679 + 26834680.

It is an arithmetic number, because the mean of its divisors is an integer number (26834680).

Almost surely, 2^53669359 is an apocalyptic number.

53669359 is a deficient number, since it is larger than the sum of its proper divisors (1).

53669359 is an equidigital number, since it uses as much as digits as its factorization.

53669359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 656100, while the sum is 46.

The square root of 53669359 is about 7325.9374144201. The cubic root of 53669359 is about 377.2032877456.

The spelling of 53669359 in words is "fifty-three million, six hundred sixty-nine thousand, three hundred fifty-nine".