502556045503 has 2 divisors, whose sum is σ = 502556045504. Its totient is φ = 502556045502.

The previous prime is 502556045479. The next prime is 502556045539. The reversal of 502556045503 is 305540655205.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 502556045503 - 2¹⁷ = 502555914431 is a prime.

It is a super-2 number, since 2×502556045503² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (502556045003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251278022751 + 251278022752.

It is an arithmetic number, because the mean of its divisors is an integer number (251278022752).

Almost surely, 2^502556045503 is an apocalyptic number.

502556045503 is a deficient number, since it is larger than the sum of its proper divisors (1).

502556045503 is an equidigital number, since it uses as much as digits as its factorization.

502556045503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 502556045503 in words is "five hundred two billion, five hundred fifty-six million, forty-five thousand, five hundred three".