5503351621543 has 4 divisors (see below), whose sum is σ = 5503579085160. Its totient is φ = 5503124157928.

The previous prime is 5503351621483. The next prime is 5503351621561. The reversal of 5503351621543 is 3451261533055.

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

It is a cyclic number.

It is not a de Polignac number, because 5503351621543 - 2²¹ = 5503349524391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5503351621543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5503351621583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113695513 + ... + 113743906.

It is an arithmetic number, because the mean of its divisors is an integer number (1375894771290).

Almost surely, 2^{5503351621543} is an apocalyptic number.

5503351621543 is a deficient number, since it is larger than the sum of its proper divisors (227463617).

5503351621543 is a wasteful number, since it uses less digits than its factorization.

5503351621543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227463616.

The product of its (nonzero) digits is 810000, while the sum is 43.

The spelling of 5503351621543 in words is "five trillion, five hundred three billion, three hundred fifty-one million, six hundred twenty-one thousand, five hundred forty-three".