51653579 has 2 divisors, whose sum is σ = 51653580. Its totient is φ = 51653578.

The previous prime is 51653513. The next prime is 51653629. The reversal of 51653579 is 97535615.

51653579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51653579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51653509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25826789 + 25826790.

It is an arithmetic number, because the mean of its divisors is an integer number (25826790).

Almost surely, 2^51653579 is an apocalyptic number.

51653579 is a deficient number, since it is larger than the sum of its proper divisors (1).

51653579 is an equidigital number, since it uses as much as digits as its factorization.

51653579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 41.

The square root of 51653579 is about 7187.0424376095. The cubic root of 51653579 is about 372.4204091022.

The spelling of 51653579 in words is "fifty-one million, six hundred fifty-three thousand, five hundred seventy-nine".