55222441351544 has 32 divisors (see below), whose sum is σ = 109650723995520. Its totient is φ = 25982779723776.

The previous prime is 55222441351543. The next prime is 55222441351613. The reversal of 55222441351544 is 44515314422255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222441351541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32380424 + ... + 34043159.

It is an arithmetic number, because the mean of its divisors is an integer number (3426585124860).

Almost surely, 2^{55222441351544} is an apocalyptic number.

It is an amenable number.

55222441351544 is a deficient number, since it is larger than the sum of its proper divisors (54428282643976).

55222441351544 is a wasteful number, since it uses less digits than its factorization.

55222441351544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66429719 (or 66429715 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 47.

Adding to 55222441351544 its reverse (44515314422255), we get a palindrome (99737755773799).

The spelling of 55222441351544 in words is "fifty-five trillion, two hundred twenty-two billion, four hundred forty-one million, three hundred fifty-one thousand, five hundred forty-four".