50105550555457 has 2 divisors, whose sum is σ = 50105550555458. Its totient is φ = 50105550555456.

The previous prime is 50105550555391. The next prime is 50105550555493. The reversal of 50105550555457 is 75455505550105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33887661758721 + 16217888796736 = 5821311^2 + 4027144^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50105550555457 is a prime.

It is not a weakly prime, because it can be changed into another prime (50105550559457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25052775277728 + 25052775277729.

It is an arithmetic number, because the mean of its divisors is an integer number (25052775277729).

Almost surely, 2^{50105550555457} is an apocalyptic number.

It is an amenable number.

50105550555457 is a deficient number, since it is larger than the sum of its proper divisors (1).

50105550555457 is an equidigital number, since it uses as much as digits as its factorization.

50105550555457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10937500, while the sum is 52.

The spelling of 50105550555457 in words is "fifty trillion, one hundred five billion, five hundred fifty million, five hundred fifty-five thousand, four hundred fifty-seven".