50655186868 has 36 divisors (see below), whose sum is σ = 104933214820. Its totient is φ = 21253921920.

The previous prime is 50655186859. The next prime is 50655186887. The reversal of 50655186868 is 86868155605.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4984077604 + 45671109264 = 70598^2 + 213708^2 .

It is a congruent number.

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, 4019073 + ... + 4031656.

Almost surely, 2^50655186868 is an apocalyptic number.

It is an amenable number.

50655186868 is an abundant number, since it is smaller than the sum of its proper divisors (54278027952).

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

50655186868 is a wasteful number, since it uses less digits than its factorization.

50655186868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8050768 (or 8050755 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 58.

The spelling of 50655186868 in words is "fifty billion, six hundred fifty-five million, one hundred eighty-six thousand, eight hundred sixty-eight".