50215201457 has 2 divisors, whose sum is σ = 50215201458. Its totient is φ = 50215201456.

The previous prime is 50215201423. The next prime is 50215201499. The reversal of 50215201457 is 75410251205.

50215201457 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., 39554845456 + 10660356001 = 198884^2 + 103249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50215201457 is a prime.

It is not a weakly prime, because it can be changed into another prime (50215101457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25107600728 + 25107600729.

It is an arithmetic number, because the mean of its divisors is an integer number (25107600729).

Almost surely, 2^50215201457 is an apocalyptic number.

It is an amenable number.

50215201457 is a deficient number, since it is larger than the sum of its proper divisors (1).

50215201457 is an equidigital number, since it uses as much as digits as its factorization.

50215201457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14000, while the sum is 32.

The spelling of 50215201457 in words is "fifty billion, two hundred fifteen million, two hundred one thousand, four hundred fifty-seven".