55224451121 has 16 divisors (see below), whose sum is σ = 68230988160. Its totient is φ = 43631913600.

The previous prime is 55224451097. The next prime is 55224451127. The reversal of 55224451121 is 12115442255.

It is a cyclic number.

It is not a de Polignac number, because 55224451121 - 2¹⁰ = 55224450097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55224451127) 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, 5606180 + ... + 5616021.

It is an arithmetic number, because the mean of its divisors is an integer number (4264436760).

Almost surely, 2^55224451121 is an apocalyptic number.

It is an amenable number.

55224451121 is a deficient number, since it is larger than the sum of its proper divisors (13006537039).

55224451121 is a wasteful number, since it uses less digits than its factorization.

55224451121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222264.

The product of its digits is 16000, while the sum is 32.

Adding to 55224451121 its reverse (12115442255), we get a palindrome (67339893376).

The spelling of 55224451121 in words is "fifty-five billion, two hundred twenty-four million, four hundred fifty-one thousand, one hundred twenty-one".