505050005523 has 16 divisors (see below), whose sum is σ = 771519223296. Its totient is φ = 287880297600.

The previous prime is 505050005483. The next prime is 505050005533. The reversal of 505050005523 is 325500050505.

It is a de Polignac number, because none of the positive numbers 2^k-505050005523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505050005533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29979111 + ... + 29995952.

It is an arithmetic number, because the mean of its divisors is an integer number (48219951456).

Almost surely, 2^505050005523 is an apocalyptic number.

505050005523 is a deficient number, since it is larger than the sum of its proper divisors (266469217773).

505050005523 is a wasteful number, since it uses less digits than its factorization.

505050005523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59975474.

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 505050005523 in words is "five hundred five billion, fifty million, five thousand, five hundred twenty-three".