505050055245 has 48 divisors (see below), whose sum is σ = 922571432640. Its totient is φ = 254885052672.

The previous prime is 505050055217. The next prime is 505050055259. The reversal of 505050055245 is 542550050505.

505050055245 is a `hidden beast` number, since 5 + 0 + 50 + 50 + 0 + 552 + 4 + 5 = 666.

It is not a de Polignac number, because 505050055245 - 2¹⁰ = 505050054221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 388102 + ... + 1077368.

It is an arithmetic number, because the mean of its divisors is an integer number (19220238180).

Almost surely, 2^505050055245 is an apocalyptic number.

It is an amenable number.

505050055245 is a deficient number, since it is larger than the sum of its proper divisors (417521377395).

505050055245 is a wasteful number, since it uses less digits than its factorization.

505050055245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690154 (or 690151 counting only the distinct ones).

The product of its (nonzero) digits is 125000, while the sum is 36.

The spelling of 505050055245 in words is "five hundred five billion, fifty million, fifty-five thousand, two hundred forty-five".