550400102503 has 2 divisors, whose sum is σ = 550400102504. Its totient is φ = 550400102502.

The previous prime is 550400102479. The next prime is 550400102537. The reversal of 550400102503 is 305201004055.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550400102503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550400102563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275200051251 + 275200051252.

It is an arithmetic number, because the mean of its divisors is an integer number (275200051252).

Almost surely, 2^550400102503 is an apocalyptic number.

550400102503 is a deficient number, since it is larger than the sum of its proper divisors (1).

550400102503 is an equidigital number, since it uses as much as digits as its factorization.

550400102503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

Adding to 550400102503 its reverse (305201004055), we get a palindrome (855601106558).

The spelling of 550400102503 in words is "five hundred fifty billion, four hundred million, one hundred two thousand, five hundred three".