22050055550 has 24 divisors (see below), whose sum is σ = 41288373000. Its totient is φ = 8760824480.

The previous prime is 22050055549. The next prime is 22050055561. The reversal of 22050055550 is 5555005022.

It is a happy number.

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, 1472420 + ... + 1487319.

It is an arithmetic number, because the mean of its divisors is an integer number (1720348875).

Almost surely, 2^22050055550 is an apocalyptic number.

22050055550 is a deficient number, since it is larger than the sum of its proper divisors (19238317450).

22050055550 is a wasteful number, since it uses less digits than its factorization.

22050055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2959900 (or 2959895 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 29.

The spelling of 22050055550 in words is "twenty-two billion, fifty million, fifty-five thousand, five hundred fifty".