505000045955 has 24 divisors (see below), whose sum is σ = 619811995200. Its totient is φ = 394933593600.

The previous prime is 505000045903. The next prime is 505000046011. The reversal of 505000045955 is 559540000505.

It is not a de Polignac number, because 505000045955 - 2¹⁸ = 504999783811 is a prime.

It is a super-2 number, since 2×505000045955² (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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3966731 + ... + 4092059.

It is an arithmetic number, because the mean of its divisors is an integer number (25825499800).

Almost surely, 2^505000045955 is an apocalyptic number.

505000045955 is a deficient number, since it is larger than the sum of its proper divisors (114811949245).

505000045955 is a wasteful number, since it uses less digits than its factorization.

505000045955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125615 (or 125514 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 505000045955 in words is "five hundred five billion, forty-five thousand, nine hundred fifty-five".