50000555387 has 2 divisors, whose sum is σ = 50000555388. Its totient is φ = 50000555386.

The previous prime is 50000555327. The next prime is 50000555489. The reversal of 50000555387 is 78355500005.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50000555387 - 2⁸ = 50000555131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50000555387.

It is not a weakly prime, because it can be changed into another prime (50000555327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25000277693 + 25000277694.

It is an arithmetic number, because the mean of its divisors is an integer number (25000277694).

Almost surely, 2^50000555387 is an apocalyptic number.

50000555387 is a deficient number, since it is larger than the sum of its proper divisors (1).

50000555387 is an equidigital number, since it uses as much as digits as its factorization.

50000555387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 50000555387 in words is "fifty billion, five hundred fifty-five thousand, three hundred eighty-seven".