503052505553 has 16 divisors (see below), whose sum is σ = 555230651136. Its totient is φ = 452870161920.

The previous prime is 503052505519. The next prime is 503052505583. The reversal of 503052505553 is 355505250305.

It is not a de Polignac number, because 503052505553 - 2³⁰ = 501978763729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (503052505583) 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, 1281728 + ... + 1627553.

It is an arithmetic number, because the mean of its divisors is an integer number (34701915696).

Almost surely, 2^503052505553 is an apocalyptic number.

It is an amenable number.

503052505553 is a deficient number, since it is larger than the sum of its proper divisors (52178145583).

503052505553 is a wasteful number, since it uses less digits than its factorization.

503052505553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2909624.

The product of its (nonzero) digits is 281250, while the sum is 38.

Adding to 503052505553 its reverse (355505250305), we get a palindrome (858557755858).

The spelling of 503052505553 in words is "five hundred three billion, fifty-two million, five hundred five thousand, five hundred fifty-three".