505005055573 has 2 divisors, whose sum is σ = 505005055574. Its totient is φ = 505005055572.

The previous prime is 505005055549. The next prime is 505005055591. The reversal of 505005055573 is 375550500505.

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., 502706524324 + 2298531249 = 709018^2 + 47943^2 .

It is a cyclic number.

It is not a de Polignac number, because 505005055573 - 2²⁵ = 504971501141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505005050573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252502527786 + 252502527787.

It is an arithmetic number, because the mean of its divisors is an integer number (252502527787).

Almost surely, 2^505005055573 is an apocalyptic number.

It is an amenable number.

505005055573 is a deficient number, since it is larger than the sum of its proper divisors (1).

505005055573 is an equidigital number, since it uses as much as digits as its factorization.

505005055573 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 505005055573 in words is "five hundred five billion, five million, fifty-five thousand, five hundred seventy-three".