50474810557 has 2 divisors, whose sum is σ = 50474810558. Its totient is φ = 50474810556.

The previous prime is 50474810549. The next prime is 50474810579. The reversal of 50474810557 is 75501847405.

50474810557 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., 39970405476 + 10504405081 = 199926^2 + 102491^2 .

It is a cyclic number.

It is not a de Polignac number, because 50474810557 - 2³ = 50474810549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50474811557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25237405278 + 25237405279.

It is an arithmetic number, because the mean of its divisors is an integer number (25237405279).

Almost surely, 2^50474810557 is an apocalyptic number.

It is an amenable number.

50474810557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50474810557 is an equidigital number, since it uses as much as digits as its factorization.

50474810557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784000, while the sum is 46.

The spelling of 50474810557 in words is "fifty billion, four hundred seventy-four million, eight hundred ten thousand, five hundred fifty-seven".