55324221050 has 24 divisors (see below), whose sum is σ = 117603487776. Its totient is φ = 18968304240.

The previous prime is 55324220989. The next prime is 55324221059. The reversal of 55324221050 is 5012242355.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55324221059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79034252 + ... + 79034951.

It is an arithmetic number, because the mean of its divisors is an integer number (4900145324).

Almost surely, 2^55324221050 is an apocalyptic number.

55324221050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55324221050 is an abundant number, since it is smaller than the sum of its proper divisors (62279266726).

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

55324221050 is a wasteful number, since it uses less digits than its factorization.

55324221050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158069222 (or 158069217 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 55324221050 in words is "fifty-five billion, three hundred twenty-four million, two hundred twenty-one thousand, fifty".