50051054657 has 2 divisors, whose sum is σ = 50051054658. Its totient is φ = 50051054656.

The previous prime is 50051054639. The next prime is 50051054693. The reversal of 50051054657 is 75645015005.

50051054657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50000984881 + 50069776 = 223609^2 + 7076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50051054657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50051054657.

It is not a weakly prime, because it can be changed into another prime (50051054357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25025527328 + 25025527329.

It is an arithmetic number, because the mean of its divisors is an integer number (25025527329).

Almost surely, 2^50051054657 is an apocalyptic number.

It is an amenable number.

50051054657 is a deficient number, since it is larger than the sum of its proper divisors (1).

50051054657 is an equidigital number, since it uses as much as digits as its factorization.

50051054657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 50051054657 in words is "fifty billion, fifty-one million, fifty-four thousand, six hundred fifty-seven".