53503355543 has 16 divisors (see below), whose sum is σ = 58619987712. Its totient is φ = 48429192000.

The previous prime is 53503355513. The next prime is 53503355561. The reversal of 53503355543 is 34555330535.

53503355543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53503355543 - 2¹⁶ = 53503290007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53503355543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503355513) 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, 3252008 + ... + 3268418.

It is an arithmetic number, because the mean of its divisors is an integer number (3663749232).

Almost surely, 2^53503355543 is an apocalyptic number.

53503355543 is a deficient number, since it is larger than the sum of its proper divisors (5116632169).

53503355543 is a wasteful number, since it uses less digits than its factorization.

53503355543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17686.

The product of its (nonzero) digits is 1012500, while the sum is 41.

The spelling of 53503355543 in words is "fifty-three billion, five hundred three million, three hundred fifty-five thousand, five hundred forty-three".