51305882450 has 24 divisors (see below), whose sum is σ = 96636910080. Its totient is φ = 20262574800.

The previous prime is 51305882449. The next prime is 51305882461. The reversal of 51305882450 is 5428850315.

It is a junction number, because it is equal to n+sod(n) for n = 51305882398 and 51305882407.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 6490466 + ... + 6498365.

It is an arithmetic number, because the mean of its divisors is an integer number (4026537920).

Almost surely, 2^51305882450 is an apocalyptic number.

51305882450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51305882450 is a deficient number, since it is larger than the sum of its proper divisors (45331027630).

51305882450 is a wasteful number, since it uses less digits than its factorization.

51305882450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12988922 (or 12988917 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 41.

The spelling of 51305882450 in words is "fifty-one billion, three hundred five million, eight hundred eighty-two thousand, four hundred fifty".