50555578662 has 24 divisors (see below), whose sum is σ = 109555719624. Its totient is φ = 16848993024.

The previous prime is 50555578649. The next prime is 50555578669. The reversal of 50555578662 is 26687555505.

50555578662 is a `hidden beast` number, since 5 + 0 + 5 + 5 + 5 + 578 + 6 + 62 = 666.

50555578662 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 = 50555578599 and 50555578608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555578669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128748 + ... + 343055.

It is an arithmetic number, because the mean of its divisors is an integer number (4564821651).

Almost surely, 2^50555578662 is an apocalyptic number.

50555578662 is an abundant number, since it is smaller than the sum of its proper divisors (59000140962).

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

50555578662 is a wasteful number, since it uses less digits than its factorization.

50555578662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477764 (or 477761 counting only the distinct ones).

The product of its (nonzero) digits is 12600000, while the sum is 54.

The spelling of 50555578662 in words is "fifty billion, five hundred fifty-five million, five hundred seventy-eight thousand, six hundred sixty-two".