53486647 has 2 divisors, whose sum is σ = 53486648. Its totient is φ = 53486646.

The previous prime is 53486639. The next prime is 53486651. The reversal of 53486647 is 74668435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53486647 - 2³ = 53486639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53486617) 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, 26743323 + 26743324.

It is an arithmetic number, because the mean of its divisors is an integer number (26743324).

Almost surely, 2^53486647 is an apocalyptic number.

53486647 is a deficient number, since it is larger than the sum of its proper divisors (1).

53486647 is an equidigital number, since it uses as much as digits as its factorization.

53486647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The square root of 53486647 is about 7313.4565699128. The cubic root of 53486647 is about 376.7747507021.

The spelling of 53486647 in words is "fifty-three million, four hundred eighty-six thousand, six hundred forty-seven".