53609779 has 2 divisors, whose sum is σ = 53609780. Its totient is φ = 53609778.

The previous prime is 53609767. The next prime is 53609791. The reversal of 53609779 is 97790635.

It is a balanced prime because it is at equal distance from previous prime (53609767) and next prime (53609791).

It is a cyclic number.

It is not a de Polignac number, because 53609779 - 2⁵ = 53609747 is a prime.

It is not a weakly prime, because it can be changed into another prime (53609729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26804889 + 26804890.

It is an arithmetic number, because the mean of its divisors is an integer number (26804890).

Almost surely, 2^53609779 is an apocalyptic number.

53609779 is a deficient number, since it is larger than the sum of its proper divisors (1).

53609779 is an equidigital number, since it uses as much as digits as its factorization.

53609779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 53609779 is about 7321.8699114366. The cubic root of 53609779 is about 377.0636544197.

The spelling of 53609779 in words is "fifty-three million, six hundred nine thousand, seven hundred seventy-nine".