550050557503 has 2 divisors, whose sum is σ = 550050557504. Its totient is φ = 550050557502.

The previous prime is 550050557461. The next prime is 550050557509. The reversal of 550050557503 is 305755050055.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550050557503 is a prime.

It is a super-2 number, since 2×550050557503² (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 (550050557509) 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, 275025278751 + 275025278752.

It is an arithmetic number, because the mean of its divisors is an integer number (275025278752).

Almost surely, 2^550050557503 is an apocalyptic number.

550050557503 is a deficient number, since it is larger than the sum of its proper divisors (1).

550050557503 is an equidigital number, since it uses as much as digits as its factorization.

550050557503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 328125, while the sum is 40.

The spelling of 550050557503 in words is "five hundred fifty billion, fifty million, five hundred fifty-seven thousand, five hundred three".