50555578650 has 48 divisors (see below), whose sum is σ = 125401348800. Its totient is φ = 13478959360.

The previous prime is 50555578649. The next prime is 50555578669. The reversal of 50555578650 is 5687555505.

50555578650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50555578593 and 50555578602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 853186 + ... + 910514.

It is an arithmetic number, because the mean of its divisors is an integer number (2612528100).

Almost surely, 2^50555578650 is an apocalyptic number.

50555578650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50555578650 is an abundant number, since it is smaller than the sum of its proper divisors (74845770150).

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

50555578650 is a wasteful number, since it uses less digits than its factorization.

50555578650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63223 (or 63218 counting only the distinct ones).

The product of its (nonzero) digits is 5250000, while the sum is 51.

The spelling of 50555578650 in words is "fifty billion, five hundred fifty-five million, five hundred seventy-eight thousand, six hundred fifty".