53544003656 has 96 divisors (see below), whose sum is σ = 119532672000. Its totient is φ = 22288331520.

The previous prime is 53544003647. The next prime is 53544003659. The reversal of 53544003656 is 65630044535.

It is not an unprimeable number, because it can be changed into a prime (53544003659) 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, 1874570 + ... + 1902918.

It is an arithmetic number, because the mean of its divisors is an integer number (1245132000).

Almost surely, 2^53544003656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53544003656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59766336000).

53544003656 is an abundant number, since it is smaller than the sum of its proper divisors (65988668344).

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

53544003656 is a wasteful number, since it uses less digits than its factorization.

53544003656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28519 (or 28502 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 53544003656 in words is "fifty-three billion, five hundred forty-four million, three thousand, six hundred fifty-six".