55222153423 has 4 divisors (see below), whose sum is σ = 57126365640. Its totient is φ = 53317941208.

The previous prime is 55222153417. The next prime is 55222153471. The reversal of 55222153423 is 32435122255.

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

It is a cyclic number.

It is not a de Polignac number, because 55222153423 - 2⁵ = 55222153391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55222153823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952106065 + ... + 952106122.

It is an arithmetic number, because the mean of its divisors is an integer number (14281591410).

Almost surely, 2^55222153423 is an apocalyptic number.

55222153423 is a deficient number, since it is larger than the sum of its proper divisors (1904212217).

55222153423 is a wasteful number, since it uses less digits than its factorization.

55222153423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904212216.

The product of its digits is 72000, while the sum is 34.

Adding to 55222153423 its reverse (32435122255), we get a palindrome (87657275678).

The spelling of 55222153423 in words is "fifty-five billion, two hundred twenty-two million, one hundred fifty-three thousand, four hundred twenty-three".