5217051650 has 12 divisors (see below), whose sum is σ = 9703716162. Its totient is φ = 2086820640.

The previous prime is 5217051649. The next prime is 5217051727. The reversal of 5217051650 is 561507125.

It can be written as a sum of positive squares in 3 ways, for example, as 2554594849 + 2662456801 = 50543^2 + 51599^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52170467 + ... + 52170566.

Almost surely, 2^5217051650 is an apocalyptic number.

5217051650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5217051650 is a deficient number, since it is larger than the sum of its proper divisors (4486664512).

5217051650 is a wasteful number, since it uses less digits than its factorization.

5217051650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104341045 (or 104341040 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 5217051650 is about 72229.1606624361. The cubic root of 5217051650 is about 1734.3698376169.

Adding to 5217051650 its reverse (561507125), we get a palindrome (5778558775).

The spelling of 5217051650 in words is "five billion, two hundred seventeen million, fifty-one thousand, six hundred fifty".