503545523453140 has 96 divisors (see below), whose sum is σ = 1236811966467840. Its totient is φ = 168647677879296.

The previous prime is 503545523453083. The next prime is 503545523453143. The reversal of 503545523453140 is 41354325545305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503545523453143) 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, 242417407 + ... + 244485766.

It is an arithmetic number, because the mean of its divisors is an integer number (12883457984040).

Almost surely, 2^{503545523453140} is an apocalyptic number.

It is an amenable number.

503545523453140 is an abundant number, since it is smaller than the sum of its proper divisors (733266443014700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503545523453140 is a wasteful number, since it uses less digits than its factorization.

503545523453140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486903361 (or 486903359 counting only the distinct ones).

The product of its (nonzero) digits is 10800000, while the sum is 49.

Adding to 503545523453140 its reverse (41354325545305), we get a palindrome (544899848998445).

The spelling of 503545523453140 in words is "five hundred three trillion, five hundred forty-five billion, five hundred twenty-three million, four hundred fifty-three thousand, one hundred forty".