55052220222 has 12 divisors (see below), whose sum is σ = 119279810520. Its totient is φ = 18350740068.

The previous prime is 55052220221. The next prime is 55052220229. The reversal of 55052220222 is 22202225055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55052220221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1529228322 + ... + 1529228357.

It is an arithmetic number, because the mean of its divisors is an integer number (9939984210).

Almost surely, 2^55052220222 is an apocalyptic number.

55052220222 is an abundant number, since it is smaller than the sum of its proper divisors (64227590298).

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

55052220222 is a wasteful number, since it uses less digits than its factorization.

55052220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058456687 (or 3058456684 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

Adding to 55052220222 its reverse (22202225055), we get a palindrome (77254445277).

The spelling of 55052220222 in words is "fifty-five billion, fifty-two million, two hundred twenty thousand, two hundred twenty-two".