51830650 has 12 divisors (see below), whose sum is σ = 96405102. Its totient is φ = 20732240.

The previous prime is 51830633. The next prime is 51830659. The reversal of 51830650 is 5603815.

It can be written as a sum of positive squares in 3 ways, for example, as 50537881 + 1292769 = 7109^2 + 1137^2 .

It is not an unprimeable number, because it can be changed into a prime (51830659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 518257 + ... + 518356.

Almost surely, 2^51830650 is an apocalyptic number.

51830650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51830650 is a deficient number, since it is larger than the sum of its proper divisors (44574452).

51830650 is a wasteful number, since it uses less digits than its factorization.

51830650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036625 (or 1036620 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 51830650 is about 7199.3506651642. The cubic root of 51830650 is about 372.8454822185.

The spelling of 51830650 in words is "fifty-one million, eight hundred thirty thousand, six hundred fifty".