55534430222 has 4 divisors (see below), whose sum is σ = 83301645336. Its totient is φ = 27767215110.

The previous prime is 55534430221. The next prime is 55534430249. The reversal of 55534430222 is 22203443555.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55534430221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13883607554 + ... + 13883607557.

It is an arithmetic number, because the mean of its divisors is an integer number (20825411334).

Almost surely, 2^55534430222 is an apocalyptic number.

55534430222 is a deficient number, since it is larger than the sum of its proper divisors (27767215114).

55534430222 is a wasteful number, since it uses less digits than its factorization.

55534430222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27767215113.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 55534430222 its reverse (22203443555), we get a palindrome (77737873777).

The spelling of 55534430222 in words is "fifty-five billion, five hundred thirty-four million, four hundred thirty thousand, two hundred twenty-two".