22050055551 has 8 divisors (see below), whose sum is σ = 29415498624. Its totient is φ = 14692324760.

The previous prime is 22050055549. The next prime is 22050055561. The reversal of 22050055551 is 15555005022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22050055551 - 2¹ = 22050055549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22050055561) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1921395 + ... + 1932836.

It is an arithmetic number, because the mean of its divisors is an integer number (3676937328).

Almost surely, 2^22050055551 is an apocalyptic number.

22050055551 is a deficient number, since it is larger than the sum of its proper divisors (7365443073).

22050055551 is a wasteful number, since it uses less digits than its factorization.

22050055551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856141.

The product of its (nonzero) digits is 12500, while the sum is 30.

The spelling of 22050055551 in words is "twenty-two billion, fifty million, fifty-five thousand, five hundred fifty-one".