55211112022 has 12 divisors (see below), whose sum is σ = 91029891708. Its totient is φ = 25095959900.

The previous prime is 55211111983. The next prime is 55211112023. The reversal of 55211112022 is 22021111255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 55211111984 and 55211112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55211112023) 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, 114072304 + ... + 114072787.

It is an arithmetic number, because the mean of its divisors is an integer number (7585824309).

Almost surely, 2^55211112022 is an apocalyptic number.

55211112022 is a deficient number, since it is larger than the sum of its proper divisors (35818779686).

55211112022 is a wasteful number, since it uses less digits than its factorization.

55211112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228145115 (or 228145104 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 55211112022 its reverse (22021111255), we get a palindrome (77232223277).

The spelling of 55211112022 in words is "fifty-five billion, two hundred eleven million, one hundred twelve thousand, twenty-two".