505061650 has 24 divisors (see below), whose sum is σ = 949978260. Its totient is φ = 199752960.

The previous prime is 505061647. The next prime is 505061677. The reversal of 505061650 is 56160505.

It can be written as a sum of positive squares in 6 ways, for example, as 13242321 + 491819329 = 3639^2 + 22177^2 .

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, 52299 + ... + 61198.

Almost surely, 2^505061650 is an apocalyptic number.

505061650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505061650 is a deficient number, since it is larger than the sum of its proper divisors (444916610).

505061650 is a wasteful number, since it uses less digits than its factorization.

505061650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113598 (or 113593 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 505061650 is about 22473.5767068796. The cubic root of 505061650 is about 796.3698282743.

The spelling of 505061650 in words is "five hundred five million, sixty-one thousand, six hundred fifty".