51210244052032 has 28 divisors (see below), whose sum is σ = 109437276353356. Its totient is φ = 23635497254400.

The previous prime is 51210244052029. The next prime is 51210244052069. The reversal of 51210244052032 is 23025044201215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 31572441772096 + 19637802279936 = 5618936^2 + 4431456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51210244051985 and 51210244052003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30775386219 + ... + 30775387882.

It is an arithmetic number, because the mean of its divisors is an integer number (3908474155477).

Almost surely, 2^{51210244052032} is an apocalyptic number.

51210244052032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51210244052032 is an abundant number, since it is smaller than the sum of its proper divisors (58227032301324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51210244052032 is a wasteful number, since it uses less digits than its factorization.

51210244052032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61550774126 (or 61550774116 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 51210244052032 its reverse (23025044201215), we get a palindrome (74235288253247).

The spelling of 51210244052032 in words is "fifty-one trillion, two hundred ten billion, two hundred forty-four million, fifty-two thousand, thirty-two".