505550055025 has 12 divisors (see below), whose sum is σ = 654137811072. Its totient is φ = 386855693840.

The previous prime is 505550055007. The next prime is 505550055053. The reversal of 505550055025 is 520550055505.

It is not a de Polignac number, because 505550055025 - 2¹⁹ = 505549530737 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 439608169 + ... + 439609318.

It is an arithmetic number, because the mean of its divisors is an integer number (54511484256).

Almost surely, 2^505550055025 is an apocalyptic number.

It is an amenable number.

505550055025 is a deficient number, since it is larger than the sum of its proper divisors (148587756047).

505550055025 is a wasteful number, since it uses less digits than its factorization.

505550055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879217520 (or 879217515 counting only the distinct ones).

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

The spelling of 505550055025 in words is "five hundred five billion, five hundred fifty million, fifty-five thousand, twenty-five".