505500253028 has 6 divisors (see below), whose sum is σ = 884625442806. Its totient is φ = 252750126512.

The previous prime is 505500252977. The next prime is 505500253067. The reversal of 505500253028 is 820352005505.

It can be written as a sum of positive squares in only one way, i.e., 472969801984 + 32530451044 = 687728^2 + 180362^2 .

It is a super-2 number, since 2×505500253028² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63187531625 + ... + 63187531632.

It is an arithmetic number, because the mean of its divisors is an integer number (147437573801).

Almost surely, 2^505500253028 is an apocalyptic number.

It is an amenable number.

505500253028 is a deficient number, since it is larger than the sum of its proper divisors (379125189778).

505500253028 is a wasteful number, since it uses less digits than its factorization.

505500253028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126375063261 (or 126375063259 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 505500253028 in words is "five hundred five billion, five hundred million, two hundred fifty-three thousand, twenty-eight".