55222153424 has 40 divisors (see below), whose sum is σ = 107277553440. Its totient is φ = 27537730688.

The previous prime is 55222153417. The next prime is 55222153471. The reversal of 55222153424 is 42435122255.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11035307 + ... + 11040309.

It is an arithmetic number, because the mean of its divisors is an integer number (2681938836).

Almost surely, 2^55222153424 is an apocalyptic number.

It is an amenable number.

55222153424 is a deficient number, since it is larger than the sum of its proper divisors (52055400016).

55222153424 is a wasteful number, since it uses less digits than its factorization.

55222153424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6707 (or 6701 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

Adding to 55222153424 its reverse (42435122255), we get a palindrome (97657275679).

The spelling of 55222153424 in words is "fifty-five billion, two hundred twenty-two million, one hundred fifty-three thousand, four hundred twenty-four".