51704313250 has 16 divisors (see below), whose sum is σ = 96790474872. Its totient is φ = 20681725200.

The previous prime is 51704313233. The next prime is 51704313253. The reversal of 51704313250 is 5231340715.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4096128001 + 47608185249 = 64001^2 + 218193^2 .

It is not an unprimeable number, because it can be changed into a prime (51704313253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103408377 + ... + 103408876.

Almost surely, 2^51704313250 is an apocalyptic number.

51704313250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51704313250 is a deficient number, since it is larger than the sum of its proper divisors (45086161622).

51704313250 is a wasteful number, since it uses less digits than its factorization.

51704313250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206817270 (or 206817260 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 51704313250 its reverse (5231340715), we get a palindrome (56935653965).

The spelling of 51704313250 in words is "fifty-one billion, seven hundred four million, three hundred thirteen thousand, two hundred fifty".