51544403715137 has 8 divisors (see below), whose sum is σ = 52943567548800. Its totient is φ = 50145559452144.

The previous prime is 51544403715131. The next prime is 51544403715169. The reversal of 51544403715137 is 73151730444515.

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 51544403715137 - 2⁴⁰ = 50444892087361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51544403715131) 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, 79565687 + ... + 80210892.

It is an arithmetic number, because the mean of its divisors is an integer number (6617945943600).

Almost surely, 2^{51544403715137} is an apocalyptic number.

It is an amenable number.

51544403715137 is a deficient number, since it is larger than the sum of its proper divisors (1399163833663).

51544403715137 is a wasteful number, since it uses less digits than its factorization.

51544403715137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159785335.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 51544403715137 in words is "fifty-one trillion, five hundred forty-four billion, four hundred three million, seven hundred fifteen thousand, one hundred thirty-seven".