50005000051 has 8 divisors (see below), whose sum is σ = 53163643680. Its totient is φ = 46928399232.

The previous prime is 50005000049. The next prime is 50005000061. The reversal of 50005000051 is 15000050005.

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

It is not a de Polignac number, because 50005000051 - 2¹ = 50005000049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50004999989 and 50005000034.

It is not an unprimeable number, because it can be changed into a prime (50005000061) 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, 20509446 + ... + 20511883.

It is an arithmetic number, because the mean of its divisors is an integer number (6645455460).

Almost surely, 2^50005000051 is an apocalyptic number.

50005000051 is a deficient number, since it is larger than the sum of its proper divisors (3158643629).

50005000051 is a wasteful number, since it uses less digits than its factorization.

50005000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41021405.

The product of its (nonzero) digits is 125, while the sum is 16.

Adding to 50005000051 its reverse (15000050005), we get a palindrome (65005050056).

The spelling of 50005000051 in words is "fifty billion, five million, fifty-one", and thus it is an aban number and an uban number.