50169559487 has 2 divisors, whose sum is σ = 50169559488. Its totient is φ = 50169559486.

The previous prime is 50169559421. The next prime is 50169559493. The reversal of 50169559487 is 78495596105.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50169559487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50169559787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25084779743 + 25084779744.

It is an arithmetic number, because the mean of its divisors is an integer number (25084779744).

Almost surely, 2^50169559487 is an apocalyptic number.

50169559487 is a deficient number, since it is larger than the sum of its proper divisors (1).

50169559487 is an equidigital number, since it uses as much as digits as its factorization.

50169559487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 50169559487 in words is "fifty billion, one hundred sixty-nine million, five hundred fifty-nine thousand, four hundred eighty-seven".