55200022 has 16 divisors (see below), whose sum is σ = 85104432. Its totient is φ = 26836480.

The previous prime is 55200011. The next prime is 55200053. The reversal of 55200022 is 22000255.

It is a junction number, because it is equal to n+sod(n) for n = 55199969 and 55200005.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27993 + ... + 29899.

It is an arithmetic number, because the mean of its divisors is an integer number (5319027).

Almost surely, 2^55200022 is an apocalyptic number.

55200022 is a deficient number, since it is larger than the sum of its proper divisors (29904410).

55200022 is a wasteful number, since it uses less digits than its factorization.

55200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 55200022 is about 7429.6717289528. The cubic root of 55200022 is about 380.7557029761.

Adding to 55200022 its reverse (22000255), we get a palindrome (77200277).

The spelling of 55200022 in words is "fifty-five million, two hundred thousand, twenty-two".