53835663 has 24 divisors (see below), whose sum is σ = 87136128. Its totient is φ = 29423856.

The previous prime is 53835643. The next prime is 53835689. The reversal of 53835663 is 36653835.

It is not a de Polignac number, because 53835663 - 2¹² = 53831567 is a prime.

It is a super-3 number, since 3×53835663³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53835643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4581 + ... + 11342.

It is an arithmetic number, because the mean of its divisors is an integer number (3630672).

Almost surely, 2^53835663 is an apocalyptic number.

53835663 is a deficient number, since it is larger than the sum of its proper divisors (33300465).

53835663 is a wasteful number, since it uses less digits than its factorization.

53835663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15963 (or 15956 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 53835663 is about 7337.2789915608. The cubic root of 53835663 is about 377.5924963759.

The spelling of 53835663 in words is "fifty-three million, eight hundred thirty-five thousand, six hundred sixty-three".