505546045650 has 36 divisors (see below), whose sum is σ = 1358233710522. Its totient is φ = 134812278720.

The previous prime is 505546045649. The next prime is 505546045703. The reversal of 505546045650 is 56540645505.

505546045650 is a `hidden beast` number, since 5 + 0 + 5 + 546 + 0 + 4 + 56 + 50 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 290916760689 + 214629284961 = 539367^2 + 463281^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 505546045596 and 505546045605.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 561717379 + ... + 561718278.

Almost surely, 2^505546045650 is an apocalyptic number.

505546045650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505546045650 is an abundant number, since it is smaller than the sum of its proper divisors (852687664872).

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

505546045650 is a wasteful number, since it uses less digits than its factorization.

505546045650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123435675 (or 1123435667 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 505546045650 in words is "five hundred five billion, five hundred forty-six million, forty-five thousand, six hundred fifty".