506556650 has 24 divisors (see below), whose sum is σ = 997620300. Its totient is φ = 190703360.

The previous prime is 506556637. The next prime is 506556691. The reversal of 506556650 is 56655605.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 245831041 + 260725609 = 15679^2 + 16147^2 .

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, 297125 + ... + 298824.

Almost surely, 2^506556650 is an apocalyptic number.

506556650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

506556650 is a deficient number, since it is larger than the sum of its proper divisors (491063650).

506556650 is a wasteful number, since it uses less digits than its factorization.

506556650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595978 (or 595973 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 506556650 is about 22506.8134128312. The cubic root of 506556650 is about 797.1548150239.

The spelling of 506556650 in words is "five hundred six million, five hundred fifty-six thousand, six hundred fifty".