51055051520017 has 8 divisors (see below), whose sum is σ = 52702072416000. Its totient is φ = 49408035858480.

The previous prime is 51055051520009. The next prime is 51055051520051. The reversal of 51055051520017 is 71002515055015.

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 51055051520017 - 2³ = 51055051520009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51055051520617) 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, 31851234 + ... + 33415732.

It is an arithmetic number, because the mean of its divisors is an integer number (6587759052000).

Almost surely, 2^{51055051520017} is an apocalyptic number.

It is an amenable number.

51055051520017 is a deficient number, since it is larger than the sum of its proper divisors (1647020895983).

51055051520017 is a wasteful number, since it uses less digits than its factorization.

51055051520017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617223.

The product of its (nonzero) digits is 43750, while the sum is 37.

The spelling of 51055051520017 in words is "fifty-one trillion, fifty-five billion, fifty-one million, five hundred twenty thousand, seventeen".