53633634 has 16 divisors (see below), whose sum is σ = 108869088. Its totient is φ = 17610912.

The previous prime is 53633621. The next prime is 53633639. The reversal of 53633634 is 43633635.

It is a junction number, because it is equal to n+sod(n) for n = 53633595 and 53633604.

It is not an unprimeable number, because it can be changed into a prime (53633639) 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 in 7 ways as a sum of consecutive naturals, for example, 66307 + ... + 67110.

It is an arithmetic number, because the mean of its divisors is an integer number (6804318).

Almost surely, 2^53633634 is an apocalyptic number.

53633634 is an abundant number, since it is smaller than the sum of its proper divisors (55235454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53633634 is a wasteful number, since it uses less digits than its factorization.

53633634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133489.

The product of its digits is 58320, while the sum is 33.

The square root of 53633634 is about 7323.4987540110. The cubic root of 53633634 is about 377.1195740660.

Subtracting from 53633634 its reverse (43633635), we obtain a palindrome (9999999).

The spelling of 53633634 in words is "fifty-three million, six hundred thirty-three thousand, six hundred thirty-four".