50857003866 has 64 divisors (see below), whose sum is σ = 110104081920. Its totient is φ = 15605732160.

The previous prime is 50857003831. The next prime is 50857003867. The reversal of 50857003866 is 66830075805.

It is not an unprimeable number, because it can be changed into a prime (50857003867) 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 31 ways as a sum of consecutive naturals, for example, 3413365 + ... + 3428231.

It is an arithmetic number, because the mean of its divisors is an integer number (1720376280).

Almost surely, 2^50857003866 is an apocalyptic number.

50857003866 is an abundant number, since it is smaller than the sum of its proper divisors (59247078054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50857003866 is a wasteful number, since it uses less digits than its factorization.

50857003866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 50857003866 in words is "fifty billion, eight hundred fifty-seven million, three thousand, eight hundred sixty-six".