50506006651 has 4 divisors (see below), whose sum is σ = 52135232704. Its totient is φ = 48876780600.

The previous prime is 50506006633. The next prime is 50506006667. The reversal of 50506006651 is 15660060505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50506006651 - 2¹¹ = 50506004603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50506006951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814612980 + ... + 814613041.

It is an arithmetic number, because the mean of its divisors is an integer number (13033808176).

Almost surely, 2^50506006651 is an apocalyptic number.

50506006651 is a deficient number, since it is larger than the sum of its proper divisors (1629226053).

50506006651 is a wasteful number, since it uses less digits than its factorization.

50506006651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629226052.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 50506006651 in words is "fifty billion, five hundred six million, six thousand, six hundred fifty-one".