55242322 has 8 divisors (see below), whose sum is σ = 83125836. Its totient is φ = 27533712.

The previous prime is 55242311. The next prime is 55242323. The reversal of 55242322 is 22324255.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 52287361 + 2954961 = 7231^2 + 1719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55242323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42933 + ... + 44200.

Almost surely, 2^55242322 is an apocalyptic number.

55242322 is a deficient number, since it is larger than the sum of its proper divisors (27883514).

55242322 is a wasteful number, since it uses less digits than its factorization.

55242322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87452.

The product of its digits is 4800, while the sum is 25.

The square root of 55242322 is about 7432.5178775432. The cubic root of 55242322 is about 380.8529363550.

Adding to 55242322 its reverse (22324255), we get a palindrome (77566577).

The spelling of 55242322 in words is "fifty-five million, two hundred forty-two thousand, three hundred twenty-two".