50810891332866 has 64 divisors (see below), whose sum is σ = 116178180400128. Its totient is φ = 14512523433408.

The previous prime is 50810891332853. The next prime is 50810891332919. The reversal of 50810891332866 is 66823319801805.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2084708256 + ... + 2084732628.

It is an arithmetic number, because the mean of its divisors is an integer number (1815284068752).

Almost surely, 2^{50810891332866} is an apocalyptic number.

50810891332866 is an abundant number, since it is smaller than the sum of its proper divisors (65367289067262).

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

50810891332866 is a wasteful number, since it uses less digits than its factorization.

50810891332866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39015.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 50810891332866 in words is "fifty trillion, eight hundred ten billion, eight hundred ninety-one million, three hundred thirty-two thousand, eight hundred sixty-six".