51321505714 has 16 divisors (see below), whose sum is σ = 79077000600. Its totient is φ = 24962753664.

The previous prime is 51321505687. The next prime is 51321505759. The reversal of 51321505714 is 41750512315.

It can be written as a sum of positive squares in 4 ways, for example, as 45631368225 + 5690137489 = 213615^2 + 75433^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51321505714.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375222 + ... + 493390.

Almost surely, 2^51321505714 is an apocalyptic number.

51321505714 is a deficient number, since it is larger than the sum of its proper divisors (27755494886).

51321505714 is a wasteful number, since it uses less digits than its factorization.

51321505714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124077.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 51321505714 in words is "fifty-one billion, three hundred twenty-one million, five hundred five thousand, seven hundred fourteen".