50821801662 has 32 divisors (see below), whose sum is σ = 102315283200. Its totient is φ = 16828922880.

The previous prime is 50821801661. The next prime is 50821801669. The reversal of 50821801662 is 26610812805.

It is a self number, because there is not a number n which added to its sum of digits gives 50821801662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50821801661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732153 + ... + 798555.

It is an arithmetic number, because the mean of its divisors is an integer number (3197352600).

Almost surely, 2^50821801662 is an apocalyptic number.

50821801662 is an abundant number, since it is smaller than the sum of its proper divisors (51493481538).

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

50821801662 is a wasteful number, since it uses less digits than its factorization.

50821801662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67248.

The product of its (nonzero) digits is 46080, while the sum is 39.

The spelling of 50821801662 in words is "fifty billion, eight hundred twenty-one million, eight hundred one thousand, six hundred sixty-two".