53563433 has 16 divisors (see below), whose sum is σ = 67344000. Its totient is φ = 41730480.

The previous prime is 53563403. The next prime is 53563441. The reversal of 53563433 is 33436535.

It is not a de Polignac number, because 53563433 - 2⁸ = 53563177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53563433.

It is not an unprimeable number, because it can be changed into a prime (53563403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6443 + ... + 12191.

It is an arithmetic number, because the mean of its divisors is an integer number (4209000).

Almost surely, 2^53563433 is an apocalyptic number.

It is an amenable number.

53563433 is a deficient number, since it is larger than the sum of its proper divisors (13780567).

53563433 is an equidigital number, since it uses as much as digits as its factorization.

53563433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5789 (or 5767 counting only the distinct ones).

The product of its digits is 48600, while the sum is 32.

The square root of 53563433 is about 7318.7043252204. The cubic root of 53563433 is about 376.9549651051.

Adding to 53563433 its reverse (33436535), we get a palindrome (86999968).

The spelling of 53563433 in words is "fifty-three million, five hundred sixty-three thousand, four hundred thirty-three".