50056615657 has 2 divisors, whose sum is σ = 50056615658. Its totient is φ = 50056615656.

The previous prime is 50056615633. The next prime is 50056615669. The reversal of 50056615657 is 75651665005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45052609536 + 5004006121 = 212256^2 + 70739^2 .

It is a cyclic number.

It is not a de Polignac number, because 50056615657 - 2⁷ = 50056615529 is a prime.

It is not a weakly prime, because it can be changed into another prime (50056615607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25028307828 + 25028307829.

It is an arithmetic number, because the mean of its divisors is an integer number (25028307829).

Almost surely, 2^50056615657 is an apocalyptic number.

It is an amenable number.

50056615657 is a deficient number, since it is larger than the sum of its proper divisors (1).

50056615657 is an equidigital number, since it uses as much as digits as its factorization.

50056615657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 50056615657 in words is "fifty billion, fifty-six million, six hundred fifteen thousand, six hundred fifty-seven".