505005055552 has 28 divisors (see below), whose sum is σ = 1023441102720. Its totient is φ = 247130132096.

The previous prime is 505005055549. The next prime is 505005055573. The reversal of 505005055552 is 255550500505.

It is a super-2 number, since 2×505005055552² (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 3 ways as a sum of consecutive naturals, for example, 83940652 + ... + 83946667.

Almost surely, 2^505005055552 is an apocalyptic number.

It is an amenable number.

505005055552 is an abundant number, since it is smaller than the sum of its proper divisors (518436047168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505005055552 is a wasteful number, since it uses less digits than its factorization.

505005055552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167887378 (or 167887368 counting only the distinct ones).

The product of its (nonzero) digits is 156250, while the sum is 37.

The spelling of 505005055552 in words is "five hundred five billion, five million, fifty-five thousand, five hundred fifty-two".