50051656505057 has 8 divisors (see below), whose sum is σ = 50065954799400. Its totient is φ = 50037359523840.

The previous prime is 50051656505051. The next prime is 50051656505141. The reversal of 50051656505057 is 75050565615005.

It can be written as a sum of positive squares in 4 ways, for example, as 34084567563601 + 15967088941456 = 5838199^2 + 3995884^2 .

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 50051656505057 - 2¹⁰ = 50051656504033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50051656504996 and 50051656505014.

It is not an unprimeable number, because it can be changed into a prime (50051656505051) 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, 78611207 + ... + 79245347.

It is an arithmetic number, because the mean of its divisors is an integer number (6258244349925).

Almost surely, 2^{50051656505057} is an apocalyptic number.

It is an amenable number.

50051656505057 is a deficient number, since it is larger than the sum of its proper divisors (14298294343).

50051656505057 is a wasteful number, since it uses less digits than its factorization.

50051656505057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656563.

The product of its (nonzero) digits is 3937500, while the sum is 50.

The spelling of 50051656505057 in words is "fifty trillion, fifty-one billion, six hundred fifty-six million, five hundred five thousand, fifty-seven".