503216053537 has 2 divisors, whose sum is σ = 503216053538. Its totient is φ = 503216053536.

The previous prime is 503216053453. The next prime is 503216053547. The reversal of 503216053537 is 735350612305.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345137450256 + 158078603281 = 587484^2 + 397591^2 .

It is a cyclic number.

It is not a de Polignac number, because 503216053537 - 2¹⁹ = 503215529249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503216053537.

It is not a weakly prime, because it can be changed into another prime (503216053547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251608026768 + 251608026769.

It is an arithmetic number, because the mean of its divisors is an integer number (251608026769).

Almost surely, 2^503216053537 is an apocalyptic number.

It is an amenable number.

503216053537 is a deficient number, since it is larger than the sum of its proper divisors (1).

503216053537 is an equidigital number, since it uses as much as digits as its factorization.

503216053537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 40.

The spelling of 503216053537 in words is "five hundred three billion, two hundred sixteen million, fifty-three thousand, five hundred thirty-seven".