50861803787 has 8 divisors (see below), whose sum is σ = 55710698400. Its totient is φ = 46219245184.

The previous prime is 50861803781. The next prime is 50861803801. The reversal of 50861803787 is 78730816805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50861803787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50861803781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51583487 + ... + 51584472.

It is an arithmetic number, because the mean of its divisors is an integer number (6963837300).

Almost surely, 2^50861803787 is an apocalyptic number.

50861803787 is a deficient number, since it is larger than the sum of its proper divisors (4848894613).

50861803787 is a wasteful number, since it uses less digits than its factorization.

50861803787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103168005.

The product of its (nonzero) digits is 2257920, while the sum is 53.

The spelling of 50861803787 in words is "fifty billion, eight hundred sixty-one million, eight hundred three thousand, seven hundred eighty-seven".