505000550555 has 32 divisors (see below), whose sum is σ = 651806991360. Its totient is φ = 374398813440.

The previous prime is 505000550513. The next prime is 505000550627. The reversal of 505000550555 is 555055000505.

It is not a de Polignac number, because 505000550555 - 2²⁴ = 504983773339 is a prime.

It is a super-2 number, since 2×505000550555² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8843495 + ... + 8900415.

It is an arithmetic number, because the mean of its divisors is an integer number (20368968480).

Almost surely, 2^505000550555 is an apocalyptic number.

505000550555 is a deficient number, since it is larger than the sum of its proper divisors (146806440805).

505000550555 is a wasteful number, since it uses less digits than its factorization.

505000550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58979.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 505000550555 in words is "five hundred five billion, five hundred fifty thousand, five hundred fifty-five".