53003550163 has 12 divisors (see below), whose sum is σ = 56347404120. Its totient is φ = 49839712736.

The previous prime is 53003550161. The next prime is 53003550191. The reversal of 53003550163 is 36105530035.

It is a happy number.

It is not a de Polignac number, because 53003550163 - 2¹ = 53003550161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53003550161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 817906 + ... + 880327.

It is an arithmetic number, because the mean of its divisors is an integer number (4695617010).

Almost surely, 2^53003550163 is an apocalyptic number.

53003550163 is a deficient number, since it is larger than the sum of its proper divisors (3343853957).

53003550163 is a wasteful number, since it uses less digits than its factorization.

53003550163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698338 (or 1698315 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 31.

The spelling of 53003550163 in words is "fifty-three billion, three million, five hundred fifty thousand, one hundred sixty-three".