50520532457 has 2 divisors, whose sum is σ = 50520532458. Its totient is φ = 50520532456.

The previous prime is 50520532301. The next prime is 50520532501. The reversal of 50520532457 is 75423502505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45876927721 + 4643604736 = 214189^2 + 68144^2 .

It is a cyclic number.

It is not a de Polignac number, because 50520532457 - 2²² = 50516338153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50520532457.

It is not a weakly prime, because it can be changed into another prime (50520532157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25260266228 + 25260266229.

It is an arithmetic number, because the mean of its divisors is an integer number (25260266229).

Almost surely, 2^50520532457 is an apocalyptic number.

It is an amenable number.

50520532457 is a deficient number, since it is larger than the sum of its proper divisors (1).

50520532457 is an equidigital number, since it uses as much as digits as its factorization.

50520532457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 38.

The spelling of 50520532457 in words is "fifty billion, five hundred twenty million, five hundred thirty-two thousand, four hundred fifty-seven".