51234210320050 has 24 divisors (see below), whose sum is σ = 100901256561396. Its totient is φ = 19288173296640.

The previous prime is 51234210320039. The next prime is 51234210320053. The reversal of 51234210320050 is 5002301243215.

It can be written as a sum of positive squares in 6 ways, for example, as 24647739693201 + 26586470626849 = 4964649^2 + 5156207^2 .

It is not an unprimeable number, because it can be changed into a prime (51234210320053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30137769927 + ... + 30137771626.

Almost surely, 2^{51234210320050} is an apocalyptic number.

51234210320050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51234210320050 is a deficient number, since it is larger than the sum of its proper divisors (49667046241346).

51234210320050 is a wasteful number, since it uses less digits than its factorization.

51234210320050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60275541582 (or 60275541577 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 51234210320050 its reverse (5002301243215), we get a palindrome (56236511563265).

The spelling of 51234210320050 in words is "fifty-one trillion, two hundred thirty-four billion, two hundred ten million, three hundred twenty thousand, fifty".