505500253029 has 12 divisors (see below), whose sum is σ = 730246440300. Its totient is φ = 336963518784.

The previous prime is 505500252977. The next prime is 505500253067. The reversal of 505500253029 is 920352005505.

505500253029 is a `hidden beast` number, since 50 + 5 + 50 + 0 + 2 + 530 + 29 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 198443520900 + 307056732129 = 445470^2 + 554127^2 .

It is not a de Polignac number, because 505500253029 - 2²⁴ = 505483475813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505500252984 and 505500253002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505500253829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2966674 + ... + 3132435.

It is an arithmetic number, because the mean of its divisors is an integer number (60853870025).

Almost surely, 2^505500253029 is an apocalyptic number.

It is an amenable number.

505500253029 is a deficient number, since it is larger than the sum of its proper divisors (224746187271).

505500253029 is a wasteful number, since it uses less digits than its factorization.

505500253029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108324 (or 6108321 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 505500253029 in words is "five hundred five billion, five hundred million, two hundred fifty-three thousand, twenty-nine".