53633544244447 has 4 divisors (see below), whose sum is σ = 53638063810056. Its totient is φ = 53629024678840.

The previous prime is 53633544244411. The next prime is 53633544244481. The reversal of 53633544244447 is 74444244533635.

It is a happy number.

53633544244447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53633544244447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53633544244391 and 53633544244400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53633544644447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259765004 + ... + 2259788737.

It is an arithmetic number, because the mean of its divisors is an integer number (13409515952514).

Almost surely, 2^{53633544244447} is an apocalyptic number.

53633544244447 is a deficient number, since it is larger than the sum of its proper divisors (4519565609).

53633544244447 is a wasteful number, since it uses less digits than its factorization.

53633544244447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519565608.

The product of its digits is 232243200, while the sum is 58.

The spelling of 53633544244447 in words is "fifty-three trillion, six hundred thirty-three billion, five hundred forty-four million, two hundred forty-four thousand, four hundred forty-seven".