50550061660 has 96 divisors (see below), whose sum is σ = 123260755968. Its totient is φ = 17056300800.

The previous prime is 50550061657. The next prime is 50550061673. The reversal of 50550061660 is 6616005505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2350677 + ... + 2372083.

It is an arithmetic number, because the mean of its divisors is an integer number (1283966208).

Almost surely, 2^50550061660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50550061660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61630377984).

50550061660 is an abundant number, since it is smaller than the sum of its proper divisors (72710694308).

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

50550061660 is a wasteful number, since it uses less digits than its factorization.

50550061660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21691 (or 21689 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 50550061660 in words is "fifty billion, five hundred fifty million, sixty-one thousand, six hundred sixty".