51565531550414 has 8 divisors (see below), whose sum is σ = 88398054086448. Its totient is φ = 22099513521600.

The previous prime is 51565531550399. The next prime is 51565531550419. The reversal of 51565531550414 is 41405513556515.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51565531550419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1841626126787 + ... + 1841626126814.

It is an arithmetic number, because the mean of its divisors is an integer number (11049756760806).

Almost surely, 2^{51565531550414} is an apocalyptic number.

51565531550414 is a deficient number, since it is larger than the sum of its proper divisors (36832522536034).

51565531550414 is a wasteful number, since it uses less digits than its factorization.

51565531550414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3683252253610.

The product of its (nonzero) digits is 4500000, while the sum is 50.

The spelling of 51565531550414 in words is "fifty-one trillion, five hundred sixty-five billion, five hundred thirty-one million, five hundred fifty thousand, four hundred fourteen".