503053522230421 has 32 divisors (see below), whose sum is σ = 548182113478272. Its totient is φ = 459764033034240.

The previous prime is 503053522230419. The next prime is 503053522230449. The reversal of 503053522230421 is 124032225350305.

It is a cyclic number.

It is not a de Polignac number, because 503053522230421 - 2¹ = 503053522230419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503053522200421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127276650 + ... + 131169556.

It is an arithmetic number, because the mean of its divisors is an integer number (17130691046196).

Almost surely, 2^{503053522230421} is an apocalyptic number.

It is an amenable number.

503053522230421 is a deficient number, since it is larger than the sum of its proper divisors (45128591247851).

503053522230421 is a wasteful number, since it uses less digits than its factorization.

503053522230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893829.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 503053522230421 its reverse (124032225350305), we get a palindrome (627085747580726).

The spelling of 503053522230421 in words is "five hundred three trillion, fifty-three billion, five hundred twenty-two million, two hundred thirty thousand, four hundred twenty-one".