51504414305439 has 8 divisors (see below), whose sum is σ = 68689664945712. Its totient is φ = 34327719934400.

The previous prime is 51504414305297. The next prime is 51504414305447. The reversal of 51504414305439 is 93450341440515.

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

It is a cyclic number.

It is not a de Polignac number, because 51504414305439 - 2⁹ = 51504414304927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51504414355439) 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, 2139053262 + ... + 2139077339.

It is an arithmetic number, because the mean of its divisors is an integer number (8586208118214).

Almost surely, 2^{51504414305439} is an apocalyptic number.

51504414305439 is a deficient number, since it is larger than the sum of its proper divisors (17185250640273).

51504414305439 is a wasteful number, since it uses less digits than its factorization.

51504414305439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4278134617.

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 51504414305439 in words is "fifty-one trillion, five hundred four billion, four hundred fourteen million, three hundred five thousand, four hundred thirty-nine".