50801697647 has 16 divisors (see below), whose sum is σ = 52512261120. Its totient is φ = 49115959872.

The previous prime is 50801697643. The next prime is 50801697679. The reversal of 50801697647 is 74679610805.

50801697647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50801697647 - 2² = 50801697643 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50801697643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6617003 + ... + 6624675.

It is an arithmetic number, because the mean of its divisors is an integer number (3282016320).

Almost surely, 2^50801697647 is an apocalyptic number.

50801697647 is a deficient number, since it is larger than the sum of its proper divisors (1710563473).

50801697647 is a wasteful number, since it uses less digits than its factorization.

50801697647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9262.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 50801697647 in words is "fifty billion, eight hundred one million, six hundred ninety-seven thousand, six hundred forty-seven".