53528663 has 2 divisors, whose sum is σ = 53528664. Its totient is φ = 53528662.

The previous prime is 53528647. The next prime is 53528707. The reversal of 53528663 is 36682535.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53528663 - 2⁴ = 53528647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53528623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26764331 + 26764332.

It is an arithmetic number, because the mean of its divisors is an integer number (26764332).

Almost surely, 2^53528663 is an apocalyptic number.

53528663 is a deficient number, since it is larger than the sum of its proper divisors (1).

53528663 is an equidigital number, since it uses as much as digits as its factorization.

53528663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 53528663 is about 7316.3285191413. The cubic root of 53528663 is about 376.8733823259.

The spelling of 53528663 in words is "fifty-three million, five hundred twenty-eight thousand, six hundred sixty-three".