4955445550 has 24 divisors (see below), whose sum is σ = 10055050632. Its totient is φ = 1801980000.

The previous prime is 4955445533. The next prime is 4955445553. The reversal of 4955445550 is 555445594.

It is a self number, because there is not a number n which added to its sum of digits gives 4955445550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4955445553) 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 11 ways as a sum of consecutive naturals, for example, 4504401 + ... + 4505500.

It is an arithmetic number, because the mean of its divisors is an integer number (418960443).

Almost surely, 2^4955445550 is an apocalyptic number.

4955445550 is an abundant number, since it is smaller than the sum of its proper divisors (5099605082).

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

4955445550 is a wasteful number, since it uses less digits than its factorization.

4955445550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009924 (or 9009919 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

The square root of 4955445550 is about 70394.9255983697. The cubic root of 4955445550 is about 1704.8816491495.

The spelling of 4955445550 in words is "four billion, nine hundred fifty-five million, four hundred forty-five thousand, five hundred fifty".