53420659 has 2 divisors, whose sum is σ = 53420660. Its totient is φ = 53420658.

The previous prime is 53420603. The next prime is 53420671. The reversal of 53420659 is 95602435.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53420659 is a prime.

It is not a weakly prime, because it can be changed into another prime (53420699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26710329 + 26710330.

It is an arithmetic number, because the mean of its divisors is an integer number (26710330).

Almost surely, 2^53420659 is an apocalyptic number.

53420659 is a deficient number, since it is larger than the sum of its proper divisors (1).

53420659 is an equidigital number, since it uses as much as digits as its factorization.

53420659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 53420659 is about 7308.9437677410. The cubic root of 53420659 is about 376.6197410238.

The spelling of 53420659 in words is "fifty-three million, four hundred twenty thousand, six hundred fifty-nine".