505050550555 has 32 divisors (see below), whose sum is σ = 645293537280. Its totient is φ = 378153592320.

The previous prime is 505050550531. The next prime is 505050550679. The reversal of 505050550555 is 555055050505.

It is not a de Polignac number, because 505050550555 - 2¹³ = 505050542363 is a prime.

It is a super-2 number, since 2×505050550555² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 22568982 + ... + 22591348.

It is an arithmetic number, because the mean of its divisors is an integer number (20165423040).

Almost surely, 2^505050550555 is an apocalyptic number.

505050550555 is a deficient number, since it is larger than the sum of its proper divisors (140242986725).

505050550555 is a wasteful number, since it uses less digits than its factorization.

505050550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23859.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 505050550555 in words is "five hundred five billion, fifty million, five hundred fifty thousand, five hundred fifty-five".