50691808653800 has 48 divisors (see below), whose sum is σ = 122982735788640. Its totient is φ = 19395126787520.

The previous prime is 50691808653751. The next prime is 50691808653833. The reversal of 50691808653800 is 835680819605.

It is a self number, because there is not a number n which added to its sum of digits gives 50691808653800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5509974602 + ... + 5509983801.

It is an arithmetic number, because the mean of its divisors is an integer number (2562140328930).

Almost surely, 2^{50691808653800} is an apocalyptic number.

50691808653800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50691808653800 is an abundant number, since it is smaller than the sum of its proper divisors (72290927134840).

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

50691808653800 is a wasteful number, since it uses less digits than its factorization.

50691808653800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019958442 (or 11019958433 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 59.

The spelling of 50691808653800 in words is "fifty trillion, six hundred ninety-one billion, eight hundred eight million, six hundred fifty-three thousand, eight hundred".