53486663 has 2 divisors, whose sum is σ = 53486664. Its totient is φ = 53486662.

The previous prime is 53486659. The next prime is 53486677. The reversal of 53486663 is 36668435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53486663 - 2² = 53486659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53486663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53486633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26743331 + 26743332.

It is an arithmetic number, because the mean of its divisors is an integer number (26743332).

Almost surely, 2^53486663 is an apocalyptic number.

53486663 is a deficient number, since it is larger than the sum of its proper divisors (1).

53486663 is an equidigital number, since it uses as much as digits as its factorization.

53486663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 41.

The square root of 53486663 is about 7313.4576637867. The cubic root of 53486663 is about 376.7747882715.

The spelling of 53486663 in words is "fifty-three million, four hundred eighty-six thousand, six hundred sixty-three".