55244022 has 32 divisors (see below), whose sum is σ = 116508672. Its totient is φ = 17428224.

The previous prime is 55243961. The next prime is 55244023. The reversal of 55244022 is 22044255.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55243983 and 55244001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55244023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11323 + ... + 15449.

It is an arithmetic number, because the mean of its divisors is an integer number (3640896).

Almost surely, 2^55244022 is an apocalyptic number.

55244022 is an abundant number, since it is smaller than the sum of its proper divisors (61264650).

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

55244022 is a wasteful number, since it uses less digits than its factorization.

55244022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 55244022 is about 7432.6322389851. The cubic root of 55244022 is about 380.8568430418.

Adding to 55244022 its reverse (22044255), we get a palindrome (77288277).

The spelling of 55244022 in words is "fifty-five million, two hundred forty-four thousand, twenty-two".