505050000555 has 32 divisors (see below), whose sum is σ = 838137123648. Its totient is φ = 259485120000.

The previous prime is 505050000551. The next prime is 505050000583. The reversal of 505050000555 is 555000050505.

It is not a de Polignac number, because 505050000555 - 2² = 505050000551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505050000551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4448896 + ... + 4561005.

It is an arithmetic number, because the mean of its divisors is an integer number (26191785114).

Almost surely, 2^505050000555 is an apocalyptic number.

505050000555 is a deficient number, since it is larger than the sum of its proper divisors (333087123093).

505050000555 is a wasteful number, since it uses less digits than its factorization.

505050000555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010047.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 505050000555 in words is "five hundred five billion, fifty million, five hundred fifty-five", and thus it is an aban number.