50055049999987 has 2 divisors, whose sum is σ = 50055049999988. Its totient is φ = 50055049999986.

The previous prime is 50055049999939. The next prime is 50055050000099. The reversal of 50055049999987 is 78999994055005.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50055049999987 is a prime.

It is not a weakly prime, because it can be changed into another prime (50055049699987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027524999993 + 25027524999994.

It is an arithmetic number, because the mean of its divisors is an integer number (25027524999994).

Almost surely, 2^{50055049999987} is an apocalyptic number.

50055049999987 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055049999987 is an equidigital number, since it uses as much as digits as its factorization.

50055049999987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1653372000, while the sum is 79.

The spelling of 50055049999987 in words is "fifty trillion, fifty-five billion, forty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-seven".