505502775250 has 64 divisors (see below), whose sum is σ = 1037222319744. Its totient is φ = 182947800000.

The previous prime is 505502775181. The next prime is 505502775269. The reversal of 505502775250 is 52577205505.

It is a junction number, because it is equal to n+sod(n) for n = 505502775197 and 505502775206.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144660 + ... + 1015840.

It is an arithmetic number, because the mean of its divisors is an integer number (16206598746).

Almost surely, 2^505502775250 is an apocalyptic number.

505502775250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505502775250 is an abundant number, since it is smaller than the sum of its proper divisors (531719544494).

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

505502775250 is a wasteful number, since it uses less digits than its factorization.

505502775250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871420 (or 871410 counting only the distinct ones).

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 505502775250 in words is "five hundred five billion, five hundred two million, seven hundred seventy-five thousand, two hundred fifty".