51336515050 has 12 divisors (see below), whose sum is σ = 95485918086. Its totient is φ = 20534606000.

The previous prime is 51336515033. The next prime is 51336515099. The reversal of 51336515050 is 5051563315.

It can be written as a sum of positive squares in 3 ways, for example, as 47098114441 + 4238400609 = 217021^2 + 65103^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51336514997 and 51336515015.

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, 513365101 + ... + 513365200.

Almost surely, 2^51336515050 is an apocalyptic number.

51336515050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51336515050 is a deficient number, since it is larger than the sum of its proper divisors (44149403036).

51336515050 is a wasteful number, since it uses less digits than its factorization.

51336515050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026730313 (or 1026730308 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 34.

The spelling of 51336515050 in words is "fifty-one billion, three hundred thirty-six million, five hundred fifteen thousand, fifty".