50158554487 has 2 divisors, whose sum is σ = 50158554488. Its totient is φ = 50158554486.

The previous prime is 50158554443. The next prime is 50158554521. The reversal of 50158554487 is 78445585105.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50158554487 - 2⁷ = 50158554359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50158554427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25079277243 + 25079277244.

It is an arithmetic number, because the mean of its divisors is an integer number (25079277244).

Almost surely, 2^50158554487 is an apocalyptic number.

50158554487 is a deficient number, since it is larger than the sum of its proper divisors (1).

50158554487 is an equidigital number, since it uses as much as digits as its factorization.

50158554487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4480000, while the sum is 52.

The spelling of 50158554487 in words is "fifty billion, one hundred fifty-eight million, five hundred fifty-four thousand, four hundred eighty-seven".