51326416430650 has 48 divisors (see below), whose sum is σ = 95745961080576. Its totient is φ = 20470689889920.

The previous prime is 51326416430609. The next prime is 51326416430669. The reversal of 51326416430650 is 5603461462315.

It is a super-2 number, since 2×51326416430650² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51326416430650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22811022 + ... + 24959878.

It is an arithmetic number, because the mean of its divisors is an integer number (1994707522512).

Almost surely, 2^{51326416430650} is an apocalyptic number.

51326416430650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51326416430650 is a deficient number, since it is larger than the sum of its proper divisors (44419544649926).

51326416430650 is a wasteful number, since it uses less digits than its factorization.

51326416430650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150263 (or 2150258 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 46.

Adding to 51326416430650 its reverse (5603461462315), we get a palindrome (56929877892965).

The spelling of 51326416430650 in words is "fifty-one trillion, three hundred twenty-six billion, four hundred sixteen million, four hundred thirty thousand, six hundred fifty".