51435012050 has 24 divisors (see below), whose sum is σ = 95677367700. Its totient is φ = 20572231680.

The previous prime is 51435012017. The next prime is 51435012067. The reversal of 51435012050 is 5021053415.

It can be written as a sum of positive squares in 6 ways, for example, as 31356972241 + 20078039809 = 177079^2 + 141697^2 .

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, 648986 + ... + 723914.

Almost surely, 2^51435012050 is an apocalyptic number.

51435012050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51435012050 is a deficient number, since it is larger than the sum of its proper divisors (44242355650).

51435012050 is a wasteful number, since it uses less digits than its factorization.

51435012050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88670 (or 88665 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

Adding to 51435012050 its reverse (5021053415), we get a palindrome (56456065465).

The spelling of 51435012050 in words is "fifty-one billion, four hundred thirty-five million, twelve thousand, fifty".